80C528 Datasheet, PDF (8/26 Pages) NXP Semiconductors – CMOS single-chip 8-bit microcontroller

Philips Semiconductors
CMOS single-chip 8-bit microcontrollers
Product specification
80C528/83C528
Table 1.
SYMBOL
ACC*
B*
DPTR:
DPH
DPL
IE*#
IP*#
8XC524/8XC528 Special Function Registers
DESCRIPTION
DIRECT
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
ADDRESS MSB
LSB
Accumulator
E0H
E7
E6
E5
E4
E3
E2
E1
E0
B register
F0H
F7
F6
F5
F4
F3
F2
F1
F0
Data pointer (2 bytes):
Data pointer high
83H
Data pointer low
82H
AF
AE
AD
AC
AB
AA
A9
A8
Interrupt enable
A8H
EA ES1
ET2
ES0
ET1
EX1
ET0
EX0
BF
BE
BD
BC
BB
BA
B9
B8
Interrupt priority
B8H
–
PS1
PT2
PS0
PT1
PX1
PT0
PX0
RESET
VALUE
00H
00H
00H
00H
00H
x0000000B
P0*
Port 0
87
86
85
84
83
82
81
80
80H
AD7 AD6
AD5
AD4
AD3
AD2
AD1
AD0 FFH
P1*
Port 1
97
96
95
94
93
92
91
90
90H
SDA SEL
–
–
–
–
T2EX
T2 FFH
P2*
Port 2
A7
A6
A5
A4
A3
A2
A1
A0
A0H
A15 A14
A13
A12
A11
A10
A9
A8 FFH
P3*
PCON
Port 3
Power control
B7
B6
B5
B0H
RD WR
T1
87H SMOD –
–
B4
B3
B2
T0
INT1 INT0
–
GF1
GF0
PSW*
RCAP2H#
RCAP2L#
SBUF
Program status word
Capture high
Capture low
Serial data buffer
SCON*
S1BIT#
Serial controller
Serial I²C data
S1INT#
Serial I²C interrupt
S1SCS*# Serial I²C control
SP
Stack pointer
TCON*
Timer control
T2CON*#
TH0
TH1
TH2#
TL0
TL1
TL2#
T3#
TMOD
WDCON#
Timer 2 control
Timer high 0
Timer high 1
Timer high 2
Timer low 0
Timer low 1
Timer low 2
Watchdog timer
Timer mode
Watchdog control
D0H
CBH
CAH
99H
98H
D9H/RD
WR
DAH
D8H/RD
WR
81H
88H
C8H
8CH
8DH
CDH
8AH
8BH
CCH
FFH
89H
A5H
D7
CY
9F
SM0
SDI
SD0
INT
DF
SDI
SD0
8F
TF1
CF
TF2
GATE
* SFRs are bit addressable.
# SFRs are modified from or added to the 80C51 SFRs.
D6
AC
9E
SM1
0
X
X
DE
SCI
SC0
8E
TR1
CE
EXF2
C/T
D5
F0
9D
SM2
0
X
X
DD
CLH
CLH
8D
TF0
CD
RCLK
M1
D4
D3
RS1
RS0
9C
REN
0
X
X
DC
BB
X
9B
TB8
0
X
X
DB
RBF
X
8C
TR0
CC
TCLK
8B
IE1
CB
EXEN2
M0
GATE
D2
OV
9A
RB8
0
X
X
DA
WBF
X
8A
IT1
CA
TR2
C/T
B1
B0
TxD
RxD FFH
PD
IDL 0xxx0000B
D1
F1
99
TI
0
X
X
D9
STR
STR
89
IE0
C9
C/T2
M1
D0
P 00H
00H
00H
xxxxxxxxB
98
RI 00H
0 x0000000B
X 0xxxxxxxB
X 0xxxxxxxB
D8
ENS xxxx0000B
ENS 00xxxx00B
07H
88
IT0 00H
C8
CP/RL2 00H
00H
00H
00H
00H
00H
00H
00H
M0 00H
A5H
1995 Feb 02
8