87C575 Philips Semiconductors, 87C575 Datasheet - Page 8

• Manufacturer Part Number: 87C575
• Description: 80C51 8-bit microcontroller family 8K/256 OTP/ROM/ROMless/ 4 comparator/ failure detect circuitry/ watchdog timer
• Manufacturer: Philips Semiconductors

*
# SFRs are modified from or added to the 80C51 SFRs.
1. Reset value depends on reset source.
2. Programmable clock-out.
Philips Semiconductors
Table 1.
1998 May 01
P2OD#
PCON#
PSW*
RACAP2H#
RACAP2L#
SADDR#
SADEN#
SBUF
SCON*
SP
TCON*
T2CON*
T2MOD#
TH0
TH1
TH2#
TL0
TL1
TL2#
TMOD
WDCON*#
WDL#
WFEED1#
WFEED2#
SYMBOL
80C51 8-bit microcontroller family
8K/256 OTP/ROM/ROMless, 4 comparator, failure detect circuitry, watchdog timer
SFRs are bit addressable.
Port 2 Pullup Disable
Power Control
Program Status Word
Timer 2 Capture High
Timer 2 Capture Low
Slave Address
Slave Address Mask
Serial Data Buffer
Serial Control
Stack Pointer
Timer Control
Timer 2 Control
Timer 2 Mode Control
Timer High 0
Timer High 1
Timer High 2
Timer Low 0
Timer Low 1
Timer Low 2
Timer Mode
Watchdog Timer Control
Watchdog Timer Reload
Watchdog Feed 1
Watchdog Feed 2
87C575 Special Function Registers (Continued)
DESCRIPTION
ADDRESS
DIRECT
CDH
CCH
D0H
CBH
CAH
C8H
C9H
8CH
8DH
C0H
C1H
C2H
C3H
A1H
A9H
B9H
8AH
8BH
87H
99H
98H
81H
88H
89H
MSB
SMOD1
GATE
PRE2
SM0
TF1
TF2
CY
CF
D7
9F
8F
C7
–
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
SMOD0
PRE1
EXF2
SM1
TR1
C/T
AC
CE
D6
9E
8E
C6
–
8
RCLK
PRE0
OSF
SM2
TF0
CD
D5
9D
8D
M1
C5
F0
–
1
POF
TCLK
LVRE
REN
RS1
TR0
CC
M0
D4
9C
8C
C4
–
1
EXEN2
OFRE
GATE
LVF
RS0
TB8
IE1
D3
CB
C3
9B
8B
–
1
WDRUN
GF0
RB8
TR2
C/T
OV
IT1
CA
D2
9A
8A
C2
–
80C575/83C575/
T2OE
WDTOF
C/T2
IE0
PD
D1
M1
C9
C1
99
89
TI
–
2
LSB
CP/RL2
WDMOD
DCEN
IDL
IT0
D0
C8
M0
C0
Product specification
98
88
RI
P
87C575
00H
00xxx000B
00H
00H
00H
00H
00H
xxxxxxxxB
00H
07H
00H
00H
xxxxxxx0B
00H
00H
00H
00H
00H
00H
00H
11111101B
00H
xxH
xxH
RESET
VALUE