
Preliminary W79E217A Data Sheet
Publication Release Date: December 14, 2007
- 22 -
Revision A3.0
Continued
SYMBOL
DEFINITION
ADD
RESS
MSB
LSB
BIT_ADDRESS,
SYMBOL
RESET
CAPCON1 REGISTER
CAPCON0 REGISTER
P4CSIN
P4 CS SIGN
XRAMAH
RAM HIGH BYTE ADDRESS A1H
A4H
-
-
ENF2
ENF1
ENF0
CPTF2
CPTF1/
DIRF
CPTF0/
QEIF
xx00 0000B
A3H
CCT2.1
CCT2.0
CCT1.1
CCT1.0
CCT0.1
CCT0.0
CCLD1
CCLD0
0000 0000B
A2H
P43INV
-
(A7)
A15/
SDA
SWRST/
REBOO
T
EER
P42INV
-
(A6)
A14/
SCL
P41INV
-
(A5)
A13/
PWM5
P40INV
-
(A4)
A12/
PWM4
-
-
(A3)
A11/
PWM3
PWDNH RMWFP P0UP
A10
A9
(A2)
A10/
PWM2
PWM1
0000 x000B
0000 0000B
A8
(A0)
A8/
PWM0
P2
PORT 2
A0H
(A1)
A9/
1111 1111B
CHPCON
ON CHIP PROGRAMMING
CONTROL
9FH
-
LD/AP
-
-
-
LDSEL
ENP
0000 0000B
NVMCON
NVM CONTROL
HI ADDR. COMPARATOR OF
P4.3
LO ADDR. COMPARATOR
OF P4.3
HI ADDR. COMPARATOR OF
P4.2
LO ADDR. COMPARATOR
OF P4.2
SERIAL BUFFER
9EH
EWR
EnNVM
-
-
-
-
NVMF
000x xxx0B
P43AH
9DH
A15
A14
A13
A12
A11
A10
A9
A8
0000 0000B
P43AL
9CH
A7
A6
A5
A4
A3
A2
A1
A0
0000 0000B
P42AH
9BH
A15
A14
A13
A12
A11
A10
A9
A8
0000 0000B
P42AL
9AH
A7
A6
A5
A4
A3
A2
A1
A0
0000 0000B
SBUF
99H
SBUF.7
(9F)
SM0/FE
SBUF.6
(9E)
SM1
SBUF.5
(9D)
SM2
SBUF.4
(9C)
REN
SBUF.3
(9B)
TB8
SBUF.2
(9A)
RB8
SBUF.1 SBUF.0 xxxx xxxxB
(99)
TI
RI
SCON
SERIAL CONTROL
98H
(98)
0000 0000B
P41AH
HI ADDR. COMPARATOR OF
P4.1
LO ADDR. COMPARATOR
OF P4.1
HI ADDR. COMPARATOR OF
P4.0
LO ADDR. COMPARATOR
OF P4.0
97H
A15
A14
A13
A12
A11
A10
A9
A8
0000 0000B
P41AL
96H
A7
A6
A5
A4
A3
A2
A1
A0
0000 0000B
P40AH
95H
A15
A14
A13
A12
A11
A10
A9
A8
0000 0000B
P40AL
94H
A7
A6
A5
A4
A3
A2
A1
A0
0000 0000B
P4CONB
P4 CONTROL REGISTER B
93H
P43FUN
1
P41FUN
1
P43FUN
0
P41FUN
0
P43CMP
1
P41CMP
1
P43CMP
0
P41CMP
0
P42FUN
1
P40FUN
1
P42FUN
0
P40FUN
0
P42CMP
1
P40CMP
1
P42CMP
0
P40CMP
0
0000 0000B
P4CONA
P4 CONTROL REGISTER A
92H
0000 0000B
EXIF
EXTERNAL INTERRUPT
FLAG
91H
IE5
IE4
IE3
IE2
-
-
-
-
0000 xxxxB
P1
PORT 1
90H
(97)
ADC7
(96)
ADC6
(95)
ADC5
(94)
ADC4
(93)
TXD1/
ADC3
-
T0M
TH1.3
TH0.3
TL1.3
TL0.3
(92)
RXD1/
ADC2
-
MD2
TH1.2
TH0.2
TL1.2
TL0.2
(91)
ADC1/
Brake
CCDIV1 CCDIV0 0000 0000B
MD1
MD0
TH1.1
TH1.0
TH0.1
TH0.0
TL1.1
TL1.0
TL0.1
TL0.0
(90)
T2/
ADC0
1111 1111B
CKCON1
CKCON
TH1
TH0
TL1
TL0
CLOCK CONTROL 1
CLOCK CONTROL
TIMER HIGH 1
TIMER HIGH 0
TIMER LOW 1
TIMER LOW 0
8FH
8EH
8DH
8CH
8BH
8AH
-
WD1
TH1.7
TH0.7
TL1.7
TL0.7
-
WD0
TH1.6
TH0.6
TL1.6
TL0.6
-
T2M
TH1.5
TH0.5
TL1.5
TL0.5
-
T1M
TH1.4
TH0.4
TL1.4
TL0.4
0000 0001B
0000 0000B
0000 0000B
0000 0000B
0000 0000B
TMOD
TIMER MODE
89H
GATE
T
C
/
(8E)
TR1
SMOD0
Bit6
TH3.6
TL3.6
M1
M0
GATE
T
C
/
(8A)
IT1
GF0
Bit2
TH3.2
TL3.2
M1
M0
0000 0000B
TCON
TIMER CONTROL
88H
(8F)
TF1
SMOD
Bit7
TH3.7
TL3.7
(8D)
TF0
-
Bit5
TH3.5
TL3.5
(8C)
TR0
-
Bit4
TH3.4
TL3.4
(8B)
IE1
GF1
Bit3
TH3.3
TL3.3
(89)
IE0
PD
Bit1
TH3.1
TL3.1
(88)
IT0
IDL
Bit0
TH3.0
TL3.0
0000 0000B
PCON
LCDDATA LCD DATA
TH3
TL3
POWER CONTROL
87H
86H
85H
84H
00xx 0000B
0000 0000B
0000 0000B
0000 0000B
TIMER HIGH 3
TIMER LOW 3