P87C554 NXP Semiconductors, P87C554 Datasheet - Page 4

• Manufacturer Part Number: P87C554
• Description: The P87C554 Single-Chip 8-Bit Microcontroller is manufactured inan advanced CMOS process and is a derivative of the 80C51microcontroller family
• Manufacturer: NXP Semiconductors

Philips Semiconductors
ORDERING INFORMATION
PART NUMBER DERIVATION
BLOCK DIAGRAM
2002 Mar 25
OTP/EPROM
P87C554SBAA
P87C554SFAA
P87C554 OTP
DEVICE NUMBER (P87C554)
80C51 8-bit microcontroller – 12 clock operation
16K/512 OTP/RAM, 8 channel 10-bit A/D, I
capture/compare, high I/O
3
3
0
2
XTAL1
XTAL2
EA
ALE
PSEN
0
1
2
WR
RD
A8-15
AD0-7
ALTERNATE FUNCTION OF PORT 0
ALTERNATE FUNCTION OF PORT 1
ALTERNATE FUNCTION OF PORT 2
P0
TIMER/EVENT
T0
TWO 16-BIT
COUNTERS
EXTERNAL BUS
PARALLEL I/O
T0, T1
PORTS AND
P1
3
T1
P2
80C51 CORE
EXCLUDING
ROM/RAM
3
P3
INT0
TxD
OPERATING FREQUENCY MAX (S)
SERIAL
UART
PORT
CPU
3
4
5
3
3
INT1
RxD
ALTERNATE FUNCTION OF PORT 3
ALTERNATE FUNCTION OF PORT 4
ALTERNATE FUNCTION OF PORT 5
3
3
–40 to +85, Plastic Leaded Chip Carrier
S = 16 MHz
TEMPERATURE C AND PACKAGE
0 to +70, Plastic Leaded Chip Carrier
P5
PORT
8-BIT
PROGRAM
OTP/ROM
MEMORY
16k x 8
V
P4
DD
2
16
C, PWM,
8-BIT INTERNAL BUS
CAPTURE
CT0I-CT3I
LATCHES
16-BIT
FOUR
2
1
V
SS
512 x 8 RAM
MEMORY
DATA
TEMPERATURE RANGE (B)
1
COUNTERS
T2
TIMER/
EVENT
16-BIT
F = –40 _C to +85 _C
T2
B= 0 _C to 70 _C
RT2
1
16
PWM0 PWM1 AV
REGISTERS
COMPARA-
DUAL
PWM
16-BIT
WITH
TORS
T2
FREQ.
(MHz)
16
16
SS
AV
CMSR0-CMSR5
SELECTION
COMPARA-
DD
CMT0, CMT1
OUTPUT
AV
TOR
– +
ADC
REF
STADC
DRAWING NUMBER
PACKAGE (AA)
4
ADC0-7 SDA
AA = PLCC
WATCHDOG
SOT188–3
SOT188–3
RST
TIMER
5
P87C554
T3
I
2
SERIAL
Product data
C PORT
EW
1
SU00951
SCL
1