P83C654X2FBD/CV710 NXP Semiconductors, P83C654X2FBD/CV710 Datasheet - Page 62
P83C654X2FBD/CV710
Manufacturer Part Number
P83C654X2FBD/CV710
Description
8-bit Microcontrollers - MCU P83C654X2FBD/LQFP44/TRAYBM//CV
Manufacturer
NXP Semiconductors
Datasheet
1.P83C654X2FBDCV710.pdf
(88 pages)
Specifications of P83C654X2FBD/CV710
Core
80C51
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
Program Memory Size
16 KB
Data Ram Size
256 B
Operating Supply Voltage
5 V
Package / Case
SOT-187-2
Mounting Style
SMD/SMT
Interface Type
I2C, Serial
Number Of Programmable I/os
4
Number Of Timers
3
Processor Series
80C51
Program Memory Type
OTP EPROM
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Philips Semiconductors
2004 Apr 20
80C51 8-bit microcontroller family
256B RAM, low voltage (2.7 to 5.5 V), low power, high speed
(30/33 MHz)
BIT
IP.7
IP.6
IP.5
IP.4
IP.3
IP.2
IP.1
IP.0
BIT
IPH.7
IPH.6
IPH.5
IPH.4
IPH.3
IPH.2
IPH.1
IPH.0
IPH (B7H)
IP (0B8H)
SYMBOL
–
–
PT2
PS
PT1
PX1
PT0
PX0
SYMBOL
–
–
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
Priority Bit = 1 assigns high priority
Priority Bit = 0 assigns low priority
Priority Bit = 1 assigns higher priority
Priority Bit = 0 assigns lower priority
FUNCTION
–
–
Timer 2 interrupt priority bit.
Serial Port interrupt priority bit.
Timer 1 interrupt priority bit.
External interrupt 1 priority bit.
Timer 0 interrupt priority bit.
External interrupt 0 priority bit.
FUNCTION
–
–
Timer 2 interrupt priority bit high.
Serial Port interrupt priority bit high.
Timer 1 interrupt priority bit high.
External interrupt 1 priority bit high.
Timer 0 interrupt priority bit high.
External interrupt 0 priority bit high.
7
–
7
–
16 kB OTP/ROM,
6
–
6
–
PT2H
PT2
5
5
Figure 38. IPH Registers
Figure 37. IP Registers
PSH
PS
4
4
62
PT1H
PT1
3
3
PX1H
PX1
2
2
PT0H
PT0
1
1
P83C654X2/P87C654X2
PX0H
PX0
SU01743
0
0
SU01744
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