87C575 Philips Semiconductors, 87C575 Datasheet - Page 7

• 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. 87C575 only.
Philips Semiconductors
Table 1.
1998 May 01
ACC*
AUXR#
B*
CCAP0H#
CCAP1H#
CCAP2H#
CCAP3H#
CCAP4H#
CCAP0L#
CCAP1L#
CCAP2L#
CCAP3L#
CCAP4L#
CCAPM0#
CCAPM1#
CCAPM2#
CCAPM3#
CCAPM4#
CCON*#
CH#
CL#
CMOD#
CMP*#
CMPE#
DPTR:
IE*
IP*
P0*
P1*
P2*
P3*
SYMBOL
DPH
DPL
80C51 8-bit microcontroller family
8K/256 OTP/ROM/ROMless, 4 comparator, failure detect circuitry, watchdog timer
SFRs are bit addressable.
Accumulator
Auxiliary
B register
Module 0 Capture High
Module 1 Capture High
Module 2 Capture High
Module 3 Capture High
Module 4 Capture High
Module 0 Capture Low
Module 1 Capture Low
Module 2 Capture Low
Module 3 Capture Low
Module 4 Capture Low
Module 0 Mode
Module 1 Mode
Module 2 Mode
Module 3 Mode
Module 4 Mode
PCA Counter Control
PCA Counter High
PCA Counter Low
PCA Counter Mode
Comparator
Comparator Enable
Data Pointer (2 bytes)
Data Pointer High
Data Pointer Low
Interrupt Enable
Interrupt Priority
Port 0
Port 1
Port 2
Port 3
87C575 Special Function Registers
DESCRIPTION
ADDRESS
DIRECT
DCH
DDH
FBH
FCH
FDH
FEH
EAH
EBH
ECH
EDH
EEH
DAH
DBH
DEH
D8H
D9H
E0H
8EH
F0H
FAH
F9H
E9H
E8H
91H
83H
82H
A8H
B8H
80H
90H
A0H
B0H
MSB
EC3DP
EC3TDC
CEX4
AD15
CIDL
AD7
RD
DF
CF
EF
AF
EA
BF
E7
F7
87
97
A7
B7
–
–
–
–
–
–
–
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
EC2DP
EC2TDC
ECOM
ECOM
ECOM
ECOM
ECOM
WDTE
CEX3
AD14
PPC
AD6
WR
DE
CR
EE
AE
EC
BE
E6
F6
A6
B6
86
96
–
7
EC1DP
EC1TDC
CAPP
CAPP
CAPP
CAPP
CAPP
CEX2
AD13
ET2
PT2
AD5
DD
ED
AD
BD
E5
A5
B5
F5
85
95
T1
–
–
–
EC0DP
EC0TDC
CAPN
CAPN
CAPN
CAPN
CAPN
CCF4
CEX1
AD12
AD4
DC
EC
AC
BC
E4
ES
PS
A4
B4
F4
84
94
T0
–
–
EC3OD
C3RO
CCF3
CEX0
AD11
INT1
MAT
MAT
MAT
MAT
MAT
ET1
PT1
AD3
DB
E3
EB
AB
BB
A3
B3
F3
83
93
–
–
C2RO
EC2OD
CCF2
CPS1
AD10
TOG
TOG
TOG
TOG
TOG
INT0
EX1
PX1
AD2
EXI
DA
EA
AA
BA
E2
F2
A2
B2
82
92
–
80C575/83C575/
EC1OD
C1RO
CCF1
CPS0
T2EX
PWM
PWM
PWM
PWM
PWM
ET0
PT0
AD1
AD9
TxD
E1
LO
D9
E9
A9
B9
A1
B1
F1
81
91
LSB
ECCF
ECCF
ECCF
ECCF
ECCF
C0RO
EC0OD
CCF0
ECF
EX0
PX0
AD0
AD8
RxD
AO
Product specification
D8
E0
F0
E8
A8
B8
80
90
T2
A0
B0
87C575
00H
xxxxxx00B
00H
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
x0000000B
x0000000B
x0000000B
x0000000B
x0000000B
00x00000B
00H
00H
00xxx000B
00H
00H
00H
00H
00H
x0000000B
00H
00H
00H
00H
RESET
VALUE