Siemens RK 641 Serviceanleitung Seite 16

PPD 7503G-269-11,
enützt,
NC
P32
nützt,
P31
P30
P03/SJ
P02/SO
nützt/
POI ISCK
P63
PS3
PS2
P51
P 42
32768
r}Ü hl
COUNT
CLOCK
CESERATOR
PROGRAM COUNTER
SYSTEM
CLOCK
CD{ERATOR
CLI
IC 402
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
occ
kHz
XL
x
CLOCK TIMER/EVENT
CONTROL
COUNTER
LCD CL
PROGRAM MEMORY
INSTRUCTION
BITS
DECODER
STANLY BY
CONTROL
cu
VS.
vuv
so
49
47
46
SIO
44
43 sn
42
S12
41 S13
40 S14
39 S15
SJ6
38
37 SIT
S18
36
S19
34 S20
g33 sn
Wait
INTI
PIO/INTO
INTERRUPT
SERIAL
CONTROL
ALU
GENERAL REGISTERS
t14)
STACK POINTER (B)
MEMORY
224 x
4 BITS
LCD CL
LCD CONTROLLER/DRIVER
RESET V,cl. VLC3
Voltages
for LCD-
driver
LCD
Cog:
cog 1
Cogo
SO
s 10
s 14
Stop Stop
P02/SO POI,'SCK
INTERFACE
PORT O
BUFFER
ORT 1
UFFER
LA TCH
PORT 4
ATCH ä(P4Ü -P43)
ORT 5
LATCH
BIJF
ART 6
LATCH
UFF
4
COMO
LCD
PO 1-P03
3
PIO-P13
Matrix-
signales
4
Matrix-
signales
not used
(P50 - P53)
not used
-
Matrix-
signales