80C554 Datasheet, PDF (8/76 Pages) NXP Semiconductors – 80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP

Philips Semiconductors
80C51 8-bit microcontroller – 6 clock operation
16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I²C, PWM,
capture/compare, high I/O, 64L LQFP
Preliminary specification
80C554/83C554/87C554
SYMBOL
DESCRIPTION
DIRECT
ADDRESS
MSB
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
P1M1
Port 1 output mode 1
92H
P1M2
Port 1 output mode 2
93H
P2M1
Port 2 output mode 1
94H
P2M2
Port 2 output mode 2
95H
P3M1
Port 3 output mode 1
9AH
P3M2
Port 3 output mode 2
9BH
P4M1
Port 4 output mode 1
9CH
P4M2
Port 4 output mode 2
9DH
PCON
Power control
87H
SMOD1 SMOD0
POF
WLE
GF1
GFO
PD
PSW
Program status word
D0H
CY
AC
FO
RS1
RS0
OV
F1
PWMP# PWM prescaler
FEH
PWM1# PWM register 1
FDH
PWM0# PWM register 0
FCH
RTE#
Reset/toggle enable
EFH
TP47
TP46
RP45
RP44
RP43
RP42
RP41
S0ADDR Serial 0 slave address
F9H
S0ADEN Slave address mask
B9H
S0BUF
Serial 0 data buffer
99H
9F
9E
9D
9C
9B
9A
99
S0CON* Serial 0 control
98H
SM0/FE SM1
SM2
REN
TB8
RB8
TI
S1ADR# Serial 1 address
DBH
SLAVE ADDRESS
SIDAT# Serial 1 data
DAH
S1STA# Serial 1 status
D9H
SC4
SC3
SC2
SC1
SC0
0
0
DF
DE
DD
DC
DB
DA
D9
SICON#* Serial 1 control
D8H
CR2
ENS1
STA
ST0
SI
AA
CR1
SP
Stack pointer
81H
STE#
Set enable
EEH
TG47
TG46
SP45
SP44
SP43
SP42
SP41
TH1
TH0
TL1
TL0
TMH2#
TML2#
Timer high 1
Timer high 0
Timer low 1
Timer low 0
Timer high 2
Timer low 2
8DH
8CH
8BH
8AH
EDH
ECH
TMOD
Timer mode
89H
GATE
C/T
M1
M0
GATE
C/T
M1
8F
8E
8D
8C
8B
8A
89
TCON*
Timer control
88H
TF1
TR1
TF0
TR0
IE1
IT1
IE0
TM2CON# Timer 2 control
EAH
T2IS1
T2IS0
T2ER
T2B0
T2P1
T2P0
T2MS1
CF
CE
CD
CC
CB
CA
C9
TM2IR#* Timer 2 int flag reg
C8H
T20V
CMI2
CMI1
CMI0
CTI3
CTI2
CTI1
T3#
Timer 3
FFH
* SFRs are bit addressable.
# SFRs are modified from or added to the 80C51 SFRs.
LSB
IDL
P
RP40
98
RI
GC
0
D8
CR0
SP40
M0
88
IT0
T2MS0
C8
CTI0
RESET
VALUE
xx000000B
xx000000B
00H
00H
00H
00H
00H
00H
00x00000B
00H
00H
00H
00H
00H
00H
00H
xxxxxxxxB
00H
00H
00H
F8H
00H
07H
C0H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
2000 Nov 10
8