P87C552SBAA NXP Semiconductors, P87C552SBAA Datasheet - Page 19

• Manufacturer Part Number: P87C552SBAA
• Description: MCU 8-Bit 87C 80C51 CISC 8KB EPROM 3.3V/5V 68-Pin PLCC Tube
• Manufacturer: NXP Semiconductors

Specifications of P87C552SBAA

• Package: 68PLCC
• Device Core: 80C51
• Family Name: 87C
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 40
• Interface Type: I2C/UART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Ram Size: 256 Byte
• Program Memory Size: 8 KB
• Program Memory Type: EPROM
• Operating Temperature: 0 to 70 °C

Philips Semiconductors
2003 Apr 01
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I
capture/compare, high I/O, low voltage (2.7 V to 5.5 V), low power
TM2IR (C8H)
STE (EEH)
IP1 (F8H)
Figure 16. Interrupt Flag Register (TM2IR) and Timer T2 Interrupt Priority Register (IP1)
BIT
STE.7
STE.6
STE.5
STE.4
STE.3
STE.2
STE.1
STE.0
BIT
TM2IR.7
TM2IR.6
TM2IR.5
TM2IR.4
TM2IR.3
TM2IR.2
TM2IR.1
TM2IR.0
BIT
IP1.7
IP1.6
IP1.5
IP1.4
IP1.3
IP1.2
IP1.1
IP1.0
(MSB)
(MSB)
(MSB)
TG47
T2OV
PT2
7
7
7
PCM2
TG46
CMI2
SYMBOL
TG47
TG46
SP45
SP44
SP43
SP42
SP41
SP40
SYMBOL
T2OV
CMI2
CMI1
CMI0
CTI3
CTI2
CTI1
CTI0
SYMBOL
PT2
PCM2
PCM1
PCM0
PCT3
PCT2
PCT1
PCT0
6
6
6
Timer 2 Interrupt Priority Register (IP1)
2
Figure 15. Set Enable Register (STE)
PCM1
C, PWM,
SP45
CMI1
Interrupt Flag Register (TM2IR)
5
5
5
FUNCTION
Toggle flip-flops
Toggle flip-flops
If “1” then P4.5 is set on a match between CM0 and Timer T2
If “1” then P4.4 is set on a match between CM0 and Timer T2
If “1” then P4.3 is set on a match between CM0 and Timer T2
If “1” then P4.2 is set on a match between CM0 and Timer T2
If “1” then P4.1 is set on a match between CM0 and Timer T2
If “1” then P4.0 is set on a match between CM0 and Timer T2
FUNCTION
Timer T2 16-bit overflow interrupt flag
CM2 interrupt flag
CM1 interrupt flag
CM0 interrupt flag
CT3 interrupt flag
CT2 interrupt flag
CT1 interrupt flag
CT0 interrupt flag
FUNCTION
Timer T2 overflow interrupt(s) priority level
Timer T2 comparator 2 interrupt priority level
Timer T2 comparator 1 interrupt priority level
Timer T2 comparator 0 interrupt priority level
Timer T2 capture register 3 interrupt priority level
Timer T2 capture register 2 interrupt priority level
Timer T2 capture register 1 interrupt priority level
Timer T2 capture register 0 interrupt priority level
PCM0
SP44
CMI0
4
4
4
19
PCT3
SP43
CTI3
3
3
3
SP42
PCT2
CTI2
2
2
2
PCT1
SP41
CTI1
1
1
1
(LSB)
(LSB)
PCT0
(LSB)
SP40
CTI0
0
0
0
Reset Value = 00H
Reset Value = 00H
Reset Value = C0H
P87C552
Product data
SU01088
SU01087