C541U Datasheet, PDF (6/63 Pages) Siemens Semiconductor Group – 8 BIT CMOS MICROCONTROLLER

C541U
P1.2/SCLK
V_DD
V_SS
RESET
P3.0/LED2
P1.3/SRI
P3.1/DADD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
6 5 4 3 2 1 44 43 42 41 40
7
39
8
38
9
37
10
36
11
35
12
C541U
34
13
33
14
32
15
31
16
30
17
29
18 19 20 21 22 23 24 25 26 27 28
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
P1.4/STO
ALE
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
Figure 3
Pin Configuration (Top View)
Semiconductor Group
4