W921E840A Datasheet, PDF (7/58 Pages) Winbond – 4-BIT MICROCONTROLLER

W921E840A/W921C840
3. Pin Configurations, continued
48-pin QFP
P
3
.
0
/
/
A PPPP
/R
OO E
N 2 ^{2 2} 2 ^V SS S /
I . ^{. .} . ^D CC E X X ^N
0 3 ^{2 1} 0 ^D I ^OT T T ^C
NC
P3.1/ANI1
P3.2/ANI2
P3.3/ANI3
P4.0
P4.1
P4.2
P4.3/INT0
P5.0/TM1
P5.1/TM2
P5.2/Vref
NC
1 ^{48 47 46 45 44 43 42 41 40 39 38 37} 36
2
35
3
34
4
33
5
32
6
W921E844A
31
7
/ W921C844
30
8
29
9
28
10
27
11
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
PD.1
PD.0
DTMF
PC.3
PC.2
PC.1
PC.0
BTG
PB.3
PB.2
PB.1
PB.0
N P P P _PV P _{P PP PN}
C 5 6 6 _6s 6 _{A AA AC}
. . . .s. . .. _.
3 0 1 2 3 0 12 ₃
////
/
D WWR R
ADCD C
OA L A L
UT KT K
TA A
PIN NAME
NC
P3.1/ANI1
P3.2/ANI2
P3.3/ANI3
QFP 48
1
2
3
4
PIN NAME
PB.0
PB.1
PB.2
PB.3
QFP 48
25
26
27
28
Publication Release Date: July 1999
-7-
Revision A3