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Verfügbare Sprachen
Verfügbare Sprachen
CDM 800
IC403
VDD
VSS
C0
Voltage booster
C1
for LCD driver
V1
V2
V3
RESET
System Controller
TEST
Standby Controller
Timing Generator
XIN
High freq.
XOUT
Low freq.
A/D Converter
VAREF
P22
VASS
to
P20
IC801
2
XT
3
XT
4
RST
IC951
REC.
SW
VS
VO
8
7
9
GRUNDIG Service
Common outputs
COM3 to COM0
L C D
PSW
Flags RBS
ALU
Time Base
timer
Clock Generator
Watchdog
Timer
8-bit
P07
(AIN7)
P07
to
to
to
P00
(AIN0)
P00
GND
VDD
1
20
Oscillation
circuit
Timing
4bit micro controller
generator
ROM :768x8 bits
RAM : 16x4 bits
Input port (with built-in pull-down resistor)
5
6
7
K2
K0
K1
OSCILLATOR
DET
GND
OSC
VCC
3
6
5
4
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Segment outputs
SEG11 to SEG0
driver
Stack Pointer
Data Memory
Register banks
Interrupt Controller
16-bit
8-bit
Timer/
Timer/
Counter
Counter
TC1
TC3 TC5
P17
P35
to
to
P10
P30
TXOVT TXON
19
18
Large current
output ports
Output port
8
9
10
9
K5
K3
K4
K6
IC4
1CH
2
1
FB
NC
OUT1
-IN1
2
1
P67
P77
P87
P93
to
to
to
to
P60
P70
P80
P90
Program
Counter
(RAM)
Program
Memory (ROM)
8-bit
Inst Register
Serial
Interface
Inst Decoder
SIO1 SIO2
P47
to
P40
CODE
17
16
T3
15
T2
14
T1
13
T0
10
K7
+
+
2CH
-
-
3
4
5
6
+IN1
V
+IN2
-IN2
OUT2
EE
7
8
VCC
3 - 15
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