W78C58 Datasheet, PDF (7/22 Pages) Winbond – 8-BIT MICROCONTROLLER

W78C58
DESCRIPTIONS OF THE SPECIAL FUNCTION REGISTERS (SFRS)
SYMBOL
DEFINITION
B
B register
ACC
Accumulator
P4*
Port 4
PSW
Program status word
TH2
TL2
RCAP2H
RCAP2L
T2CON
T2 reg. high
T2 reg. low
T2 capture high
T2 capture low
Timer 2 control
XICON*
IP
P3
External interrupt
control
Interrupt priority
Port 3
IE
Interrupt enable
P2
Port 2
SBUF
SCON*
Serial buffer
Serial control
P1*
Port 1
AUXR*
TH1
TH0
TL1
TL0
TMOD
TCON
Auxiliary
Timer high 1
Timer high 0
Timer low 1
Timer low 0
Timer mode
Timer control
PCON*
DPH
DPL
SP
P0
Power control
Data pointer high
Data pointer low
Stack pointer
Port 0
ADDR.
MSB
BIT ADDRESS, SYMBOL
F0H (F7) (F6) (F5) (F4) (F3) (F2)
E0H (E7) (E6) (E5) (E4) (E3) (E2)
D8H
-
-
-
-
(DB) (DA)
INT2 INT3
D0H (D7) (D6) (D5) (D4) (D3) (D2)
CY AC F0 RS1 RS0 OV
CDH
CCH
CBH
CAH
C8H (CF) (CE) (CD) (CC) (CB) (CA)
TF2 EXF2 RCLK TCLK EXEN2 TR2
C0H (C7) (C6) (C5) (C4) (C3) (C2)
PX3 EX3 IE3 IT3 PX2 EX2
B8H
-
-
PT2 PS PT1 PX1
B0H (B7) (B6) (B5) (B4) (B3) (B2)
RD WR T1
T0 INT1 INT0
A8H (AF) (AE) (AD) (AC) (AB) (AA)
EA
-
ET2 ES ET1 EX1
A0H (A7) (A6) (A5) (A4) (A3) (A2)
A15 A14 A13 A12 A11 A10
99H
98H (9F) (9E) (9D) (9C) (9B) (9A)
SM0/FE SM1 SM2 REN TB8 RB8
90H (97) (96) (95) (94) (93) (92)
8EH
-
-
-
-
-
-
8DH
8CH
8BH
8AH
89H GATE C/T M1 M0 GATE C/T
88H (8F) (8E) (8D) (8C) (8B) (8A)
TF1 TR1 TF0 TR0 IE1 IT1
87H SMOD SMOD0 - POF+ GF1 GF0
83H
82H
81H
80H (87) (86) (85) (84) (83) (82)
LSB
(F1) (F0)
(E1) (E0)
(D9) (D8)
RESET
00000000B
00000000B
xxxx0000B
(D1) (D0) 00000000B
-
P
00000000B
00000000B
00000000B
00000000B
(C9) (C8) 00000000B
C/T2 CP/RL2
(C1) (C0) 00000000B
IE2 IT2
PT0 PX0 xx000000B
(B1) (B0) 11111111B
TXD RXD
(A9) (A8) 00000000B
ET0 EX0
(A1) (A0) 11111111B
A9
A8
xxxxxxxxB
(99) (98) 00000000B
TI
RI
(91) (90) 11111111B
T2EX T2
-
AO xxxxxxx0B
00000000B
00000000B
00000000B
00000000B
M1 M0 00000000B
(89) (88) 00000000B
IE0 IT0
PD IDL 00xxxx00B
00000000B
00000000B
00000111B
(81) (80) 11111111B
Note: In column BIT_ADDRESS, SYMBOL, containing ( ) item means the bit address.
* SFRs modified or added to the W78C52. + Reset value depends on reset condition.
Publication Release Date: December 1997
-7-
Revision A5