P80C31X2BA Philips Semiconductors, P80C31X2BA Datasheet
P80C31X2BA
Available stocks
Related parts for P80C31X2BA
P80C31X2BA Summary of contents
Page 1
ROM/OTP 128B/256B RAM low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Preliminary data hilips Semiconductors INTEGRATED CIRCUITS 2001 Sep 24 ...
Page 2
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) DESCRIPTION The Philips microcontrollers described in this data sheet are high-performance static 80C51 designs incorporating Philips’ high-density CMOS technology with operation from 2 5.5 V. They support both 6-clock and 12-clock operation. ...
Page 3
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) FEATURES 80C51 Central Processing Unit – 4 kbytes ROM/EPROM (80/87C51X2) – 8 kbytes ROM/EPROM (80/87C52X2) – 16 kbytes ROM/EPROM (80/87C54X2) – 32 kbytes ROM/EPROM (80/87C58X2) – 128 byte RAM (80/87C51X2 and 80C31X2) – ...
Page 4
... ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) 80C31/32X2 ORDERING INFORMATION (ROMLESS) Type number Package Name Description P80C31X2BA PLCC44 plastic leaded chip carrier; 44 leads P80C31X2BN DIP40 plastic dual in-line package; 40 leads (600 mil) P80C32X2BA PLCC44 plastic leaded chip carrier ...
Page 5
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) PART NUMBER DERIVATION Memory P87C51X2 7 = OTP 5 = ROM/OTP 1 = 128 BYTES RAM 3 = ROMless 0 = ROM or 4 KBYTES ROM/OTP ROMless 2 = 256 BYTES RAM 8 KBYTES ROM/OTP 4 = 256 BYTES RAM 16 KBYTES ROM/OTP ...
Page 6
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) BLOCK DIAGRAM 16K / 32K Byte CODE ROM / EPROM 128 / 256 Byte Data RAM Port 3 Configurable I/Os Port 2 Configurable I/Os Port 1 Configurable I/Os Port 0 Configurable I/Os Crystal or Oscillator ...
Page 7
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) BLOCK DIAGRAM 2 (CPU-ORIENTED RAM ADDR RAM REGISTER B ACC REGISTER PSEN ALE/PROG TIMING AND CONTROL RST PD OSCILLATOR XTAL1 XTAL2 2001 Sep 24 P0.0–P0.7 P2.0–P2.7 ...
Page 8
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) LOGIC SYMBOL XTAL1 XTAL2 RST EA/V PP PSEN ALE/PROG RxD TxD INT0 INT1 PLASTIC DUAL IN-LINE PACKAGE PIN CONFIGURATIONS T2/P1 T2EX/P1 P0.0/AD0 P1 ...
Page 9
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) PIN DESCRIPTIONS PIN NUMBER MNEMONIC DIP PLCC LQFP TYPE NAME AND FUNCTION P0.0-0.7 39–32 43–36 37–30 I/O P1.0–P1.7 1–8 2–9 40–44, I/O 1– ...
Page 10
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Table 1. Special Function Registers DIRECT SYMBOL DESCRIPTION ADDRESS ACC* Accumulator E0H AUXR# Auxiliary 8EH AUXR1# Auxiliary 1 A2H B* B register F0H CKCON Clock Control Register 8FH ...
Page 11
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) OSCILLATOR CHARACTERISTICS XTAL1 and XTAL2 are the input and output, respectively inverting amplifier. The pins can be configured for use as an on-chip oscillator, as shown in the logic symbol. ...
Page 12
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Clock Control Register (CKCON) This device provides control of the 6-clock/12-clock mode by an SFR bit (bit X2 in register CKCON). When this bit is set to 0, 12-clock mode is activated. By setting this bit to 1, the system is switching to 6-clock mode ...
Page 13
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) TMOD Address = 89H Not Bit Addressable 7 GATE BIT SYMBOL FUNCTION TMOD.3/ GATE Gating control when set. Timer/Counter “n” is enabled only while “INTn” pin is high and TMOD.7 “ ...
Page 14
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) TCON Address = 88H Bit Addressable 7 TF1 TR1 BIT SYMBOL FUNCTION TCON.7 TF1 Timer 1 overflow flag. Set by hardware on Timer/Counter overflow. Cleared by hardware when processor vectors to interrupt routine, or clearing the bit in software. ...
Page 15
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) OSC Pin TR0 Timer 0 Gate bit INT0 Pin OSC Figure 5. Timer/Counter 0 Mode 3: Two 8-Bit Counters TIMER 2 OPERATION Timer 2 Timer 16-bit Timer/Counter which can operate as either an event timer or an event counter, as selected by C/T2 in the special function register T2CON (see Figure 6) ...
Page 16
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) A logic 0 applied to pin T2EX causes Timer 2 to count down. The timer will underflow when TL2 and TH2 become equal to the value stored in RCAP2L and RCAP2H. A Timer 2 underflow sets the TF2 flag and causes 0FFFFH to be reloaded into the timer registers TL2 and TH2 ...
Page 17
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) OSC C/ C/ Pin Transition Detector T2EX Pin Control EXEN2 T2MOD Address = 0C9H Not Bit Addressable 7 6 — — Symbol Position — T2OE T2MOD ...
Page 18
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) OSC C/ C/ Pin TRANSITION DETECTOR T2EX PIN EXEN2 Figure 9. Timer 2 in Auto-Reload Mode (DCEN = 0) OSC C/ C/ Pin Figure 10. Timer 2 Auto Reload Mode (DCEN = 1) ...
Page 19
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) NOTE: OSC. Freq. is divided by 2, not OSC Pin Transition Detector T2EX Pin EXEN2 Note availability of additional external interrupt. Baud Rate Generator Mode ...
Page 20
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Table 4. Timer 2 Generated Commonly Used Baud Rates Ba d Rate Baud Rate Osc Freq Osc Freq RCAP2H 375 K 12 MHz FF 9 MHz FF 4 MHz FF 2 MHz FF 1 ...
Page 21
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) FULL-DUPLEX ENHANCED UART Standard UART operation The serial port is full duplex, meaning it can transmit and receive simultaneously also receive-buffered, meaning it can commence reception of a second byte before a previously received byte has been read from the register. (However, if the first byte still hasn’ ...
Page 22
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) SCON Address = 98H Bit Addressable SM0 Where SM0, SM1 specify the serial port mode, as follows: SM0 SM2 Enables the multiprocessor communication feature in Modes 2 and 3. In Mode SM2 is set to 1, then Rl will not be activated if the received 9th data bit (RB8 ...
Page 23
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) RECEIVE is active, the contents of the receive shift register are shifted to the left one position. The value that comes in from the right is the value that was sampled at the P3.0 pin at S5P2 of the same machine cycle ...
Page 24
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Write to SBUF Serial Port Interrupt REN ALE Write to SBUF S6P2 Send Shift RxD (Data Out TxD (Shift Clock) ...
Page 25
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Timer 1 Overflow Write 2 to SBUF SMOD = 1 SMOD = 0 16 Serial Port Interrupt Sample 1-to-0 Transition Detector RxD TX Clock Write to SBUF Send Data S1P1 Shift Start Bit TxD ...
Page 26
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Write to SBUF Phase 2 Clock (1 OSC Mode 2 16 SMOD = 1 Serial 2 Port Interrupt SMOD = 0 (SMOD is PCON.7) Sample 1-to-0 Transition Detector RxD TX Clock Write to SBUF Send Data S1P1 Shift ...
Page 27
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Timer 1 Overflow Write 2 to SBUF SMOD = 1 SMOD = 0 16 Serial Port Interrupt Sample 1-to-0 Transition Detector RxD TX Clock Write to SBUF Send Data S1P1 Shift Start Bit TxD ...
Page 28
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Enhanced UART operation In addition to the standard operation modes, the UART can perform framing error detect by looking for missing stop bits, and automatic address recognition. The UART also fully supports multiprocessor communication ...
Page 29
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) SCON Address = 98H Bit Addressable 7 6 SM0/FE SM1 (SMOD0 = 0/1)* Symbol Position Function FE SCON.7 Framing Error bit. This bit is set by the receiver when an invalid stop bit is detected. The FE bit is not cleared by valid frames but should be cleared by software ...
Page 30
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) D0 START BIT SM0 / FE SMOD1 SMOD0 0 : SCON.7 = SM0 1 : SCON RECEIVED ADDRESS PROGRAMMED ADDRESS IN UART MODE 2 OR MODE 3 AND SM2 = 1: INTERRUPT IF REN=1, RB8=1 AND “RECEIVED ADDRESS” = “PROGRAMMED ADDRESS” ...
Page 31
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Interrupt Priority Structure 0 INT0 IT0 IE0 1 TF0 0 IE1 INT1 IT1 1 TF1 TI RI TF2, EXF2 Figure 21. Interrupt Sources Interrupts The devices described in this data sheet provide six interrupt sources ...
Page 32
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) IE Address = 0A8H Bit Addressable 7 EA — Enable Bit = 1 enables the interrupt. Enable Bit = 0 disables it. BIT SYMBOL FUNCTION IE.7 EA Global disable bit all interrupts are disabled each interrupt can be individually enabled or disabled by setting or clearing its enable bit ...
Page 33
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz S5P2 Interrupt Interrupt Goes Latched Active This is the fastest possible response when C2 is the final cycle of an instruction other than RETI or an access IP. ...
Page 34
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) An interrupt will be serviced as long as an interrupt of equal or higher priority is not already being serviced interrupt of equal or higher level priority is being serviced, the new interrupt will wait until it is finished before being serviced ...
Page 35
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz ABSOLUTE MAXIMUM RATINGS PARAMETER Operating temperature under bias Storage temperature range Voltage on EA/V pin Voltage on any other pin Maximum I per I/O pin OL Power dissipation (based on package heat transfer limitations, not device power consumption) NOTES: 1 ...
Page 36
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) DC ELECTRICAL CHARACTERISTICS + – + amb CC SYMBOL PARAMETER 11 V Input low voltage IL V Input high voltage (ports EA Input high voltage, XTAL1, RST ...
Page 37
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) DC ELECTRICAL CHARACTERISTICS + – + amb CC SYMBOL PARAMETER 11 V Input low voltage IL V Input high voltage (ports EA Input high voltage, XTAL1, RST ...
Page 38
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) AC ELECTRICAL CHARACTERISTICS (12-CLOCK MODE 10% OPERATION + – + amb Symbol Figure Parameter 1/t 31 Oscillator frequency CLCL t 27 ALE pulse width LHLL t 27 ...
Page 39
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) AC ELECTRICAL CHARACTERISTICS (12-CLOCK MODE, 2 5.5 V OPERATION + – + amb Symbol Figure Parameter 1/t 31 Oscillator frequency CLCL t 27 ALE pulse width LHLL t 27 ...
Page 40
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) AC ELECTRICAL CHARACTERISTICS (6-CLOCK MODE 10% OPERATION + – + amb Symbol Figure Parameter 1/t 31 Oscillator frequency CLCL t 27 ALE pulse width LHLL t 27 ...
Page 41
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) AC ELECTRICAL CHARACTERISTICS (6-CLOCK MODE, 2 5.5 V OPERATION + – + amb Symbol Figure Parameter 1/t 31 Oscillator frequency CLCL t 27 ALE pulse width LHLL t 27 ...
Page 42
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) EXPLANATION OF THE AC SYMBOLS Each timing symbol has five characters. The first character is always ‘t’ (= time). The other characters, depending on their positions, indicate the name of a signal or the logical status of that signal. The designations are: A – ...
Page 43
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) ALE PSEN t LLWL WR t LLAX t AVLL A0–A7 PORT 0 FROM RI OR DPL t AVWL PORT 2 INSTRUCTION 0 1 ALE t XLXL CLOCK t QVXH OUTPUT DATA 0 WRITE TO SBUF t XHDV INPUT DATA ...
Page 44
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) V –0.5 CC 0.2V +0.9 CC 0.2V –0.1 CC 0.45V NOTE: AC inputs during testing are driven at V –0.5 for a logic ‘1’ and 0.45V for a logic ‘0’. CC Timing measurements are made at V min for a logic ‘ ...
Page 45
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz RST (NC) XTAL2 CLOCK SIGNAL XTAL1 V SS Figure 36. I Test Condition, Active Mode CC All other pins are disconnected V CC 0.45V Figure 38. Clock Signal Waveform for I Figure 39 ...
Page 46
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) EPROM CHARACTERISTICS The OTP devices described in this data sheet can be programmed by using a modified Improved Quick-Pulse Programming algorithm. It differs from older methods in the value used for V (programming supply voltage) and in the width and number of the ALE/PROG pulses ...
Page 47
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) Table 9. Program Security Bits for EPROM Devices 1, 2 PROGRAM LOCK BITS SB1 SB2 SB3 PROTECTION DESCRIPTION Program Security features enabled. (Code verify will still be encrypted by the Encryption Array if programmed ...
Page 48
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) A0– 4–6MHz PROGRAMMING AND VERIFICATION CHARACTERISTICS + 10%, V amb CC SS SYMBOL V Programming supply voltage PP I Programming supply current PP 1/t Oscillator frequency ...
Page 49
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) PROGRAMMING P1.0–P1.7 P2.0–P2.5 P3.4 (A0 – A12) PORT 0 P0.0 – P0.7 (D0 – D7) t DVGL t AVGL ALE/PROG t GLGH t SHGL EA EHSH P2.7 ** NOTES: * FOR PROGRAMMING CONFIGURATION SEE FIGURE 40. FOR VERIFICATION CONDITIONS SEE FIGURE 42. ...
Page 50
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) 80C51X2 ROM CODE SUBMISSION When submitting a ROM code for the 80C51X2, the following must be specified kbyte user ROM data 2. 64 byte ROM encryption key 3 ...
Page 51
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) 80C54X2 ROM CODE SUBMISSION When submitting a ROM code for the 80C54X2, the following must be specified kbyte user ROM data 2. 64 byte ROM encryption key 3 ...
Page 52
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) 80C58X2 ROM CODE SUBMISSION When submitting a ROM code for the 80C58X2, the following must be specified kbyte user ROM data 2. 64 byte ROM encryption key 3 ...
Page 53
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) DIP40: plastic dual in-line package; 40 leads (600 mil) 2001 Sep 24 80C3xX2; 80C5xX2; 53 Preliminary data 87C5xX2 SOT129-1 ...
Page 54
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) PLCC44: plastic leaded chip carrier; 44 leads 2001 Sep 24 80C3xX2; 80C5xX2; 54 Preliminary data 87C5xX2 SOT187-2 ...
Page 55
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) LQFP44 (available soon): plastic low profile quad flat package; 44 leads; body 1.4 mm SOT389-1 2001 Sep 24 80C3xX2; 80C5xX2; 55 Preliminary data 87C5xX2 ...
Page 56
... Philips Semiconductors 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) REVISION HISTORY Date CPCN 2001 Sep 24 9397 750 08895 2001 Sep 24 80C3xX2; 80C5xX2; Description Initial release 56 Preliminary data 87C5xX2 ...
Page 57
... Philips Semiconductors for any damages resulting from such application. Right to make changes — Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no ...