P87C51FB-4A NXP Semiconductors, P87C51FB-4A Datasheet - Page 29

• Manufacturer Part Number: P87C51FB-4A
• Description: Microcontrollers (MCU) 80C51 16K/256 OTP
• Manufacturer: NXP Semiconductors

Specifications of P87C51FB-4A

• Data Bus Width: 8 bit
• Program Memory Type: OTP
• Program Memory Size: 16 KB
• Data Ram Size: 256 B
• Interface Type: UART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-44
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: Details
• Other names: P87C51FB-4A,512

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)
WRITE TO
CCAPnL
CEXn
0
WRITE TO
CCAPnH
1
RESET
ENABLE
––
CF
ECOMn
0
CCAPnH
PCA TIMER/COUNTER
CR
16–BIT COMPARATOR
CH
––
CF
CAPPn
––
ECOMn
CR
CCAPnL
Figure 22. PCA Compare Mode
Figure 21. PCA Capture Mode
CAPNn
CL
CCF4
CAPPn
––
0
MATn
CCF3
0
MATCH
(TO CCFn)
CAPTURE
29
CAPNn
CCF4
0
TOGn
CCF2
0
(TO CCFn)
MATn
CCF3
PWMn
0
CCF1
TOGn
CCF2
0
8XC51RA+/RB+/RC+/RD+/80C51RA+
ECCFn
CCF0
PWMn
CCF1
0
CCAPMn, n= 0 to 4
CCON
(D8H)
(DAH – DEH)
8XC51FA/FB/FC/80C51FA
CCAPnH
PCA TIMER/COUNTER
CCF0
ECCFn
CH
CCON
(D8H)
CCAPMn, n= 0 to 4
PCA INTERRUPT
(DAH – DEH)
Product specification
CCAPnL
PCA INTERRUPT
CL
SU00749
8XC54/58
SU00750