P87C51RC+4B,557 NXP Semiconductors, P87C51RC+4B,557 Datasheet - Page 31
P87C51RC+4B,557
Manufacturer Part Number
P87C51RC+4B,557
Description
IC 80C51 MCU 512 RAM 44-QFP
Manufacturer
NXP Semiconductors
Series
87Cr
Specifications of P87C51RC+4B,557
Core Processor
8051
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-QFP
Processor Series
P87C5x
Core
80C51
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Minimum Operating Temperature
0 C
Package
44PQFP
Device Core
80C51
Family Name
87C
Maximum Speed
16 MHz
For Use With
OM10064 - EMULATOR 80C51 PDS51-MK2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
935252140557
P87C51RC+4B
P87C51RC+4B
P87C51RC+4B
P87C51RC+4B
Philips Semiconductors
2003 Jan 24
80C51 8-bit microcontroller family
with 512B/1KB 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
–
PPC
PT2
PS
PT1
PX1
PT0
PX0
SYMBOL
–
PPCH
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
–
PCA interrupt priority bit
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
–
PCA interrupt priority bit
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
–
PPCH
PPC
8KB/16KB/32KB/64KB OTP
6
6
PT2H
PT2
5
5
Figure 17. IPH Registers
Figure 16. IP Registers
PSH
PS
4
4
31
PT1H
PT1
3
3
PX1H
PX1
2
2
P87C51RA2/RB2/RC2/RD2
PT0H
PT0
1
1
PX0H
PX0
SU01291
0
0
SU01292
Product data