Philips Semiconductors
Preliminary specification
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM,
capture/compare, high I/O, low voltage (2.7V–5.5V), low power
P87C552
ORDERING INFORMATION
FREQ.
(MHz)
OTP/EPROM
TEMPERATURE °C AND PACKAGE
DRAWING NUMBER
P87C552SBAA
0 to +70, Plastic Leaded Chip Carrier
16
SOT188–3
PART NUMBER DERIVATION
DEVICE NUMBER (P87C552)
FREQUENCY MAX (S)
TEMPERATURE RANGE (B)
PACKAGE (AA)
B = 0_C to 70_C
P87C552 OTP
S = 16 MHz
AA = PLCC
F = –40_C to 85_C
BLOCK DIAGRAM
T0
T1
INT0
INT1
PWM0 PWM1
ADC0-7 SDA SCL
AV
REF
AV
SS
–
+
V
V
SS
5
1
1
DD
STADC
3
3
3
3
AV
DD
XTAL1
T0, T1
PROGRAM
MEMORY
8k x 8
DATA
MEMORY
512 x 8 RAM
DUAL
PWM
SERIAL
C PORT
TWO 16-BIT
TIMER/EVENT
COUNTERS
XTAL2
EA
ADC
2
CPU
I
OTP/ROM
ALE
80C51 CORE
EXCLUDING
ROM/RAM
PSEN
3
WR
RD
8-BIT INTERNAL BUS
3
0
16
AD0-7
T2
T2
16-BIT
TIMER/
EVENT
FOUR
16-BIT
CAPTURE
16-BIT
COMPARA-
TORS
WITH
REGISTERS
COMPARA-
TOR
OUTPUT
T3
16
PARALLEL I/O
PORTS AND
EXTERNAL BUS
SERIAL
UART
PORT
8-BIT
PORT
WATCHDOG
TIMER
2
LATCHES
SELECTION
COUNTERS
A8-15
3
3
1
1
1
4
P0
P1
P2
P3
TxD
RxD
P5
P4
CT0I-CT3I
T2
RT2
CMSR0-CMSR5 RST EW
CMT0, CMT1
3
4
5
0
1
2
ALTERNATE FUNCTION OF PORT 3
ALTERNATE FUNCTION OF PORT 4
ALTERNATE FUNCTION OF PORT 5
ALTERNATE FUNCTION OF PORT 0
ALTERNATE FUNCTION OF PORT 1
ALTERNATE FUNCTION OF PORT 2
SU01190
3
1999 Mar 30
NXP [ NXP ]
