IS83C154-12 TEMIC Semiconductors, IS83C154-12 Datasheet
IS83C154-12
Available stocks
Related parts for IS83C154-12
IS83C154-12 Summary of contents
Page 1
CMOS MHz Single Chip 8–bit Microcontroller Description TEMIC’s 80C154 and 83C154 are high performance CMOS single chip C. The 83C154 retains all the features of the 80C52 with extended ROM capacity (16 K bytes), 256 bytes of ...
Page 2
Interface Figure 1. Block Diagram 2 MATRA MHS Rev.F (14 Jan. 97) ...
Page 3
Figure 2. Pin Configuration DIL RST RxD TxD/P 31 INT0/P 32 INT1/P 33 T0/P 34 T1/P 35 Diagrams are for reference only. Package sizes are not to scale MATRA MHS Rev.F (14 ...
Page 4
Pin Description Vss Circuit Ground Potential. VCC Supply voltage during normal, Idle, and Power Down operation. Port 0 Port bit open drain bi-directional I/O port. Port 0 pins that have 1’s written to them float, ...
Page 5
ALE Address Latch Enable output for latching the low byte of the address during accesses to external memory. ALE is activated as though for this purpose at a constant rate of 1/6 the oscillator frequency except during an external data ...
Page 6
PCON : Power Control Register (MSB) SMOD HPD RPD – GF1 GF0 Symbol Position Name and Function SMOD PCON.7 Double Baud rate bit. When set the baud rate is doubled when the serial port is being ...
Page 7
Table 1. Status of the external pins during idle and power down modes. MODE PROGRAM MEMORY Idle Internal Idle External Power Down Internal Power Down External Figure 4. I/O Buffers in the 83C154 (Ports 1, 2, 3). Stop Clock Mode ...
Page 8
Figure 6. External Drive Configuration. Hardware Description Same as for the 80C51, plus a third timer/counter : Timer/Event Counter 2 Timer bit timer/counter like Timers 0 and 1, it can operate either as a timer ...
Page 9
TF2 EXF2 RCLK The baud rate generator mode is selected by : RCLK = 1 and/or TCLK = 1. Symbol Position TF2 T2CON.7 EXF2 T2CON.6 RCLK T2CON.5 TCLK T2CON.4 EXEN2 T2CON.3 TR2 T2CON.2 C/T2 T2CON.1 CP/RL2 T2CON.0 Timer Functions ...
Page 10
WDT T32 SERR Symbol Position T32 IOCON.6 WDT IOCON.7 32 Bit Mode T32 = 1 enables access to this mode. As shown in figure 11, this 32 bit mode consists in cascading TIMER 0 for the LSBs and ...
Page 11
Bit Counter Figure 13 illustrates the 32 bit COUNTER mode. Figure 12. 32 Bit Counter Configuration. In this mode, T32 = 0 and C/ Before it can make an increment, the 83C154 must detect two transitions on ...
Page 12
If C the WATCHDOG is a TIMER that is incremented every machine cycle the WATCHDOG is a counter that is incremented by an external signal of which the frequency cannot exceed OSC 24. ...
Page 13
Secret ROM TEMIC offers 83C154 with the encrypted secret ROM option to secure the ROM code contained in the 83C154 microcontrollers. The clear reading of the program contained in the ROM is made impossible due to an encryption ...
Page 14
Electrical Characteristics Absolute Maximum Ratings* Ambiant Temperature Under Bias : C = commercial . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 15
Absolute Maximum Ratings* Ambient Temperature Under Bias : A = Automotive . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage ...
Page 16
Absolute Maximum Ratings* Ambient Temperature Under Bias : M = Military . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 17
Absolute Maximum Ratings* Ambient Temperature Under Bias : C = Commercial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 18
Note 1 : ICC is measured with all output pins disconnected ; XTAL1 driven TCHCL = 5 ns, VIL = VSS + .5 V, VIH = VCC –. XTAL2 N. RST = Port 0 ...
Page 19
Explanation of the AC Symbol Each timing symbol has 5 characters. The first character is always a “T” (stands for time). The other characters, depending on their positions, stand for the name of a signal or the logical status of ...
Page 20
External Data Memory Characteristics SYMBOL PARAMETER TRLRH RD pulse Width TWLWH WR pulse Width TLLAX Address Hold After ALE TRLDV RD to Valid in TRHDX Data hold after RD TRHDZ Data float after RD TLLDV ALE to Valid Data ...
Page 21
Serial Port Timing – Shift Register Mode SYMBOL PARAMETER TXLXL Serial Port Clock Cycle Time TQVXH Output Data Setup to Clock Rising Edge TXHQX Output Data Hold after Clock Rising Edge TXHDX Input Data Hold after Clock Rising Edge TXHDV ...
Page 22
External Clock Drive Characteristics (XTAL1) SYMBOL PARAMETER FCLCL Oscillator Frequency TCLCL Oscillator period TCHCX High Time TCLCX Low Time TCLCH Rise Time TCHCL Fall Time External Clock Drive Waveforms AC Testing Input/Output Waveforms AC inputs during testing are driven ...
Page 23
Clock Waveforms This diagram indicates when signals are clocked internally. The time it takes the signals to propagate to the pins, however, ranges from 25 to 125 ns. This propagation delay is dependent on variables such as temperature and pin ...
Page 24
Ordering Information I 83C154C Part Number 83C154 Rom 80C154 External ROM 83C154C Secret ROM version 83C154T Secret Tag version Temperature Range blank : Commercial I : Industrial A : Automotive M : Military Package Type P: ...