P87C51FA-4N NXP Semiconductors, P87C51FA-4N Datasheet - Page 26

• Manufacturer Part Number: P87C51FA-4N
• Description: IC, 8BIT MCU, 80C51, 16MHZ, DIP-40
• Manufacturer: NXP Semiconductors

Specifications of P87C51FA-4N

• Controller Family/series: 80C51
• No. Of I/o's: 32
• Ram Memory Size: 256Byte
• Cpu Speed: 16MHz
• No. Of Timers: 4
• No. Of Pwm Channels: 5
• Core Size: 8 Bit
• Program Memory Size: 8KB
• Package: 40PDIP
• Device Core: 80C51
• Family Name: 87C
• Maximum Speed: 16 MHz
• Ram Size: 256 Byte
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 32
• Interface Type: UART
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Philips Semiconductors
(8XC51FX and 8XC51RX+ ONLY)
2000 Aug 07
80C51 8-bit microcontroller family
8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33MHz)
EXTERNAL INPUT
IDLE
(P1.2/ECI)
OVERFLOW
PCA TIMER/COUNTER
TIMER 0
OSC/12
OSC/4
MODULE 0
MODULE 1
MODULE 2
MODULE 3
MODULE 4
CMOD.0
ECF
CIDL
CF
00
01
10
11
Figure 16. PCA Interrupt System
WDTE
CCAPMn.0
Figure 15. PCA Timer/Counter
CF
CR
DECODE
CR
––
––
ECCFn
26
CCF4
––
––
CCF4
CCF3
––
16–BIT UP COUNTER
CH
CCF3
8XC51RA+/RB+/RC+/RD+/80C51RA+
CCF2
CPS1
CCF2
CCF1
CPS0
IE.6
CL
EC
8XC51FA/FB/FC/80C51FA
OVERFLOW
CCF1
CCF0
ECF
IE.7
EA
MODULES
TO PCA
CMOD
CCON
(D9H)
(D8H)
CCF0
Product specification
TO
INTERRUPT
PRIORITY
DECODER
INTERRUPT
CCON
(D8H)
SU00034
8XC54/58
SU00033