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GRUNDIG Service
MN102HF
PA4,IRQ4,TM15IB
Address Registers
A
B
Multiplier
Program
Counter
Incrementer
Program Address
ROM Bus
Internal ROM
PA0,IRQ0
76
PA1,IRQ1
77
PA2,IRQ2
78
PA3,IRQ3
79
80
(ADSEP)
81
82
RST
V
83
DD
D0
84
D1
85
86
D2
D3
87
88
D4
89
D5
D6
90
D7
91
V
92
SS
93
D8
94
D9
95
D10
D11
96
D12
97
98
D13
99
D14
100
D15
Data Registers
A0
D0
A1
D1
A2
D2
A3
D3
ALU
RAM Bus
Internal RAM
MN102HF60G
MN102HF60G
MN102H60G
MN102H60G
MN102HF60K
MN102HF60K
Separate Mode
MN102H60K
MN102H60K
(TOP
OP VIEW)
VIEW)
* : Use 33 kΩ - 50 kΩ
Multiplication/Division Register
MDR
PSW
Operand Address
Bus Controller
External Extension Bus
External Interface
BR
3 - 21
Xenaro – GDP 42...
P82,TM0IO,SBT3,SCL3,SBI2
50
P81,TM14OB
49
P80,TM14OA
48
A23,P47,AN7,WDOUT
47
A22,P46,AN6,STOP
46
A21,P45,AN5
45
A20,P44,AN4
44
VREF-
43
A19,P43
42
A18,P42
41
A17,P41
40
A16,P40
39
A15
38
A14
37
A13
36
A12
35
AV
34
DD
A11
33
A10
32
A9
31
A8
30
A7
29
A6
28
A5
27
A4
26
Clock
T1
Clock
Generator
T2
Source
Instruction Execution
Controller
Instruction Decoder
Instruction
Interrupt
Queue
Controller
Interrupt Bus
Peripheral Execution Bus
Internal Peripheral
Functions
BG
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