P87LPC764BDH,512 NXP Semiconductors, P87LPC764BDH,512 Datasheet - Page 22

• Manufacturer Part Number: P87LPC764BDH,512
• Description: IC 80C51 MCU 4K OTP 20-TSSOP
• Manufacturer: NXP Semiconductors
• Series: LPC700r

Specifications of P87LPC764BDH,512

• Program Memory Type: OTP
• Program Memory Size: 4KB (4K x 8)
• Package / Case: 20-TSSOP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, UART/USART
• Peripherals: Brown-out Detect/Reset, LED, POR, WDT
• Number Of I /o: 18
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Processor Series: P87LPC7x
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: I2C/UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 18
• Number Of Timers: 2
• Operating Supply Voltage: 2.7 V to 6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: 0 C
• Package: 20TSSOP
• Device Core: 80C51
• Family Name: 87LP
• Maximum Speed: 20 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: OM10063 - PROGRAMMER LPC700 P76XLCPOM10050 - EMULATOR LPC700 PDS76X
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-1259-5; 935267867512; P87LPC764BDH

Philips Semiconductors
2003 Sep 03
Low power, low price, low pin count (20 pin)
microcontroller with 4 kbyte OTP
KBI
BIT
KBI.7
KBI.6
KBI.5
KBI.4
KBI.3
KBI.2
KBI.1
KBI.0
Note: the Keyboard Interrupt must be enabled in order for the settings of the KBI register to be effective. The interrupt flag
(KBF) is located at bit 7 of AUXR1.
Address: 86h
Not Bit Addressable
SYMBOL
KBI.7
KBI.6
KBI.5
KBI.4
KBI.3
KBI.2
KBI.1
KBI.0
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
KBI.7
KBI.6
KBI.5
KBI.4
KBI.3
KBI.2
KBI.1
KBI.0
KBI.7
7
FUNCTION
When set, enables P0.7 as a cause of a Keyboard Interrupt.
When set, enables P0.6 as a cause of a Keyboard Interrupt.
When set, enables P0.5 as a cause of a Keyboard Interrupt.
When set, enables P0.4 as a cause of a Keyboard Interrupt.
When set, enables P0.3 as a cause of a Keyboard Interrupt.
When set, enables P0.2 as a cause of a Keyboard Interrupt.
When set, enables P0.1 as a cause of a Keyboard Interrupt.
When set, enables P0.0 as a cause of a Keyboard Interrupt.
KBI.6
6
Figure 15. Keyboard Interrupt Register (KBI)
KBI.5
5
Figure 14. Keyboard Interrupt
KBI.4
4
21
KBI.3
(FROM IEN1 REGISTER)
3
EKB
KBI.2
2
KBI.1
1
KBI.0
0
KBF (KBI INTERRUPT)
Reset Value: 00h
SU01163
P87LPC764
SU01164
Product data