Sharp DX-SX1H, Руководство по обслуживанию

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DX-SX1H
– 56 –
IC801 RH-iX1478GEZZ: System Microcomputer (IX1478GE)
Figure 56 BLOCK DIAGRAM OF IC
MD
2
V
cc
V
cc
V
cc
V
cc
V
cc
V
ss
V
ss
V
ss
V
ss
V
ss
V
ss
V
ss
V
ss
PD
7
/D
15
PD
6
/D
14
PD
5
/D
13
PD
4
/D
12
PD
3
/D
11
PD
2
/D
10
PD
1
/D
9
PD
0
/D
8
PE
7
/D
7
PE
6
/D
6
PE
5
/D
5
PE
4
/D
4
PE
3
/D
3
PE
2
/D
2
PE
1
/D
1
PE
0
/D
0
PA
7
/A
23
/IRQ7
PA
6
/A
22
/IRQ6
MD
1
MD
0
PF
7
/ø
PF
6
/AS
PF
5
/RD
PF
4
/HWR
EXTAL
XTAL
STBY
RES
WDTOVF
NMI
PF
3
/LWR
PF
1
/BACK
PF
0
/BREQ
PG
4
/CS0
PG
3
/CS1
PG
2
/CS2
PG
1
/CS3
PG
0
/CAS
P6
7
/CS7/IRQ3
P6
6
/CS6/IRQ2
P6
5
/IRQ1
P6
4
/IRQ0
P6
3
/TEND1
P6
2
/DREQ1
P6
1
/TEND0/CS5
P6
0
/DREQ0/CS4
PF
2
/LCAS/WAIT/BFEQO
PORT 1 PORT 2 PORT 4
P1
0
/PO8/TIOCA0/DACK0
P1
1
/PO9/TIOCB0/DACK1
P1
2
/PO10/TIOCC0/TCLKA
P1
3
/PO11/TIOCD0/TCLKB
P1
4
/PO12/TIOCA1
P1
5
/PO13/TIOCB1/TCLKC
P1
6
/PO14/TIOCA2
P1
7
/PO15/TIOCB2/TCLKD
P2
0
/PO0/TIOCA3
P2
1
/PO1/TIOCB3
P2
2
/PO2/TIOCC3
P2
3
/PO3/TIOCD3
P2
4
/PO4/TIOCA4
P2
5
/PO5/TIOCB4
P2
6
/PO6/TIOCA5
P2
7
/PO7/TIOCB5
P4
7
/AN7/DA1
P4
6
/AN6/DA0
P4
5
/AN5
P4
4
/AN4
P4
3
/AN3
P4
2
/AN2
P4
1
/AN1
P4
0
/AN0
V
ref
AV
cc
AV
ss
PA
5
/A
21
/IRQ5
PA
4
/A
20
/IRQ4
PA
3
/A
19
PA
2
/A
18
PA
1
/A
17
PA
0
/A
16
PB
7
/A
15
PB
6
/A
14
PB
5
/A
13
PB
4
/A
12
PB
3
/A
11
PB
2
/A
10
PB
1
/A
9
PB
0
/A
8
PC
7
/A
7
PC
6
/A
6
PC
5
/A
5
PC
4
/A
4
PC
3
/A
3
PC
2
/A
2
PC
1
/A
1
PC
0
/A
0
P3
5
/SCK1
P3
4
/SCK0
P3
3
/RxD1
P3
2
/RxD0
P3
1
/TxD1
P3
0
/TxD0
P5
0
P5
1
P5
2
P5
3
/ADTRG
PORT E PORT D
ROM *
RAM
TPU
PPG
A/D CONVERTER
D/A CONVERTER
SCI
WDT
DMAC
DTC
H8S/2000 CPU
CLOCK
OSCILLA
T
O
R
PORT A
PORT B
PORT C
PORT 3
PORT 5
PORT 6
PORT G
PORT F
INTERRUPT
CONTROLLER
INTERNAL DATA BUS INTERNAL ADDRESS BUS
BUS CONTROLLER
PERIPHERAL DATA BUS PERIPHERAL ADDRESS BUS