W541C20X Datasheet, PDF (5/15 Pages) Winbond – 4-BIT MICROCONTROLLER

4. PIN CONFIGURATIONS
W541C20X
W541C201
RA2
RA3
INT
RES
VSS
RB0
RB1
RB2
RB3
1
18
2
17
3
16
4
15
5
14
6
13
7
12
8
11
9
10
18-PDIP(300 mil)
RA1
RA0
XIN
XOUT
VDD
RC3
RC2
RC1
RC0
RA2
RA3
INT
RES
VSS
VSS
RB0
RB1
RB2
RB3
W541C203
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
20-PDIP(300 mil)
RA1
RA0
XIN
XOUT
VDD
VDD
RC3
RC2
RC1
RC0
W541C202/C205
RA2
1
28
RA1
RA3
2
27
RA0
INT
3
26
XIN
RES
4
25
XOUT
VSS
5
RE0
6
24
VDD
23
RD3
RE1
7
RE2
8
22
RD2
21
RD1
RE3
9
20
RD0
RB0
10
19
RC3
RB1
11
18
RC2
RB2
12
17
RC1
RB3
13
16
RC0
NC
14
15
MFP
28 SKINNY(300 mil), 28 SOP
RA2
RA3
INT
RES
VSS
VSS
RB0
RB1
RB2
RB3
W541C204
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
20 SOP
RA1
RA0
XIN
XOUT
VDD
VDD
RC3
RC2
RC1
RC0
Publication Release Date: May 29, 2003
-5-
Revision A4