W541C250 Datasheet, PDF (5/10 Pages) Winbond – 4-BIT MICROCONTROLLER

4. PIN CONFIGURATION
W541C250
SSSSS
X
VVVEEEEE
R M/ / X OV
DDDDDGGGGG
A
F
I
N
R
E
I
UDNNHHDDD2 2 2 2 1
0 PTS NT DCC1 2 1 2 3 3 2 1 0 9
RA1
RA2
RA3
RB0
RB1
RB2
RB3
RC0
RC1
RC2
RC3
RD0
RD1
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
52
32
53
31
54
30
55
29
56
28
57
27
58
26
59
25
60
24
61
23
62
22
63
21
64
20
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
RRRRRRVNNCCCCSSSSSS
DDE E E E S CCOOOOE E E E E E
230123S
MMMMGGGGGG
3210012345
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
Publication Release Date: April 14, 2005
-5-
Revision A6