KD-SH99
1-27
UPD703031AGC012(IC606):SUB CPU
1.Pin layout
2.Pin function
1
100
25
26
51
50
75
76
Pin
No.
Symbol
I/O
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
O
O
O
I
I/O
-
-
O
O
I
O
I
O
O
O
O
I
-
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I/O
I/O
I/O
I/O
TSI
TSCK
JBSO
JBSI
JBCK
EVDD
EVSS
TSTB
XRESET
MIRR
AO
SO
SI
SCK
WSEN
DSPRST
SWAIT
VPP
SA4
SA5
SA6
STB
DRVMUTE
LOAD1
LOAD2
SAO
SA1
SA2
SA3
RESET
XT1
XT2
VSS
VDD
CLKOUT
WR
---
---
RD
---
JBCONT
PON
AD0
AD1
AD2
AD3
CD TEXT control parameter cereal output
CD TEXT control cereal clock output
JBUS cereal data output
JBUS cereal data input
JBUS cereal clock I/O
5V(Power supply for port for I/O)
GND(GND for port for I/O)
CD-TXET parameter strobe signal output
LSI reset output
MIRR signal input(H:Specular)
Command:L/parameter:H switch signal output
DSP cereal data input
DSP cereal data input
DSP cereal data clock output
Internal CD/DC operation of MP3 operation & beginning
DSP RESET:L
WAIT signal input from DECODER
FLASH writing power supply
DECODER address bus output
DECODER address bus output
DECODER address bus output
(Non connected)
DSP cereal data latch output
Servo driver MUTE control signal output ("L":MUTE ON)
Loading drive
Loading drive
DECODER address bus output
DECODER address bus output
DECODER address bus output
DECODER address bus output
Microcomputer reset terminal("L":Reset)
Sub-clock
Sub-clock
The main clock crystal oscillation machine
The main clock crystal oscillation machine(20MHz)
5V
GND
Internal system clock output(Non connect)
DECODER data writing
(Non connected)
(Non connected)
DECODER data reading
Address bus enable(Non connected)
JBUS I/O switch
Mechanism power supply ON:L
DECODER I/O data bus
DECODER I/O data bus
DECODER I/O data bus
DECODER I/O data bus
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8
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2
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0
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