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W79E825A Datasheet, PDF (19/127 Pages) Winbond – 8-BIT MICROCONTROLLER | |||
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W79E825A/824A/823B/822B Data Sheet
Continued
SYMBOL
DEFINITION
CMP2
CMP1
SADDR
Comparator 2 control
register
Comparator 1 control
register
Slave address
IE
Interrupt enable
AUXR1
KBI
AUX function register
Keyboard Interrupt
ADDR MSB
ESS LSB
ADH -
ACH -
A9H
A8H
(AF)
EA
A2H KBF
A1H
P2
Port 2
A0H
(A7)
-
SBUF
SCON
DIVM
Serial buffer
99H
Serial control
98H
uC clock divide register 95H
(9F)
SM0/FE
P1
Port 1
90H
(97)
PWM2
CKCON
TH1
TH0
TL1
TL0
TMOD
TCON
PCON
DPH
DPL
SP
Clock control
Timer high 1
Timer high 0
Timer low 1
Timer low 0
Timer mode
Timer control
Power control
Data pointer high
Data pointer low
Stack pointer
P0
Port 0
8EH
8DH
8CH
8BH
8AH
89H
88H
87H
83H
82H
81H
80H
-
GATE
(8F)
TF1
SMOD
(87)
T1
Table 8-2: Special Function Registers
BIT_ADDRESS, SYMBOL
-
CE2
CP2
CN2
OE2
CO2
-
CE1
CP1
CN1
OE1
CO1
(AE)
EADC
BOD
(AD)
EBO
BOI
(AC)
ES
LPBOV
(AB)
ET1
SRST
(AA)
(A9)
EX1
ET0
ADCEN 0
(A6)
(A5)
(A4)
(A3)
(A2)
(A1)
-
-
-
-
-
XTAL1
(9E)
(9D)
(9C)
(9B)
(9A)
SM1
SM2
REN
TB8
RB8
(96)
(95)
PWM1 /RST
(94)
/INT1
(93)
/INT0
SDL
(92)
T0
SCL
-
-
T1M
T0M
-
(99)
TI
(91)
RXD
-
C/T
M1
M0
GATE C/T
M1
(8E)
(8D)
(8C)
(8B)
(8A)
(89)
TR1
TF0
TR0
IE1
IT1
IE0
SMOD0 BOF
POR GF1
GF0
PD
(86)
AD3
CMP1
(85)
(84)
AD2
AD1
CMPREF CIN1A
(83)
AD0
CIN1B
(82)
(81)
BRAKE PWM0
CIN2A CIN2B
RESET
CMF2 00000000B
CMF1 00000000B
00000000B
(A8)
EX0
00000000B
DPS
000X0000B
00000000B
(A0)
XTAL2 xxxxxx11B
CLKOUT
xxxxxxxxB
(98)
RI
00000000B
00000000B
(90)
TXD
11111111B
-
M0
(88)
IT0
IDL
(80)
PWM3
CMP2
xxx00xxxB
00000000B
00000000B
00000000B
00000000B
00000000B
00000000B
00xx0000B
00000000B
00000000B
00000111B
11111111B
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Publication Release Date: February 21, 2008
Revision A9
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