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VGS-1
MCU : HD6433024D01TE (IC2)
Pin No.
Port Name
1
VCC1
2
BUSY
3
PLAY
4~9
NC
10
FWE
11
VSS1
12
NC
13
TXD1
14
RXD0
15
RXD1
16
NC
17
SCK1
18~20
RV1~RV3
21
RV4
22
VSS2
23
NC
24
USEL
25
SELF
26
P47
27~34
D8~D15
35
VCC2
36~43
A0~A7
44
VSS3
45~56
A8~A19
57
VSS4
58
_WAIT
59
_BREQ
60
NC
61
fai
62
_STBY
63
RESET
64
NMI
65
VSS5
66
EXTAL
67
XTAL
68
VCC3
69
NC
70
OE
71
WE
72
NC
73
MD0
74
MD1
75
MD2
76
AVCC
77
VREF
4
SEMICONDUCTOR DATA
I/O
Function
I
3.3V
O
Busy state output
O
Playback state output
O
Not used
O
Not used
I
GND
O
Not used
O
Serial data output
I
Not used
I
Serial data input
O
Not used
I
Serial clock input
I/O
O
AMR correspondence output
I
GND
O
Not used
I
UART bit rate selection
I
Transceiver connection selection
I
I/O
Data bus
I
3.3V
O
Address bus
I
GND
O
Address bus
I
GND
I
Not used
I
Not used
O
Not used
O
For system clock frequency check
I
Not used
I
Reset input
I
Not used
I
GND
I
System clock input
I
System clock input
I
3.3V
O
Not used
O
SRAM/Flash memory read output
O
SRAM/Flash memory write output
O
Not used
I
Microcomputer operation mode input 0
I
Microcomputer operation mode input 1
I
Microcomputer operation mode input 2
I
3.3V
I
3.3V
Remarks
Hi : BUSY
Hi : PLAY
Pull Down
Pull Up
Lo : For AMR
Lo : 19200bps, Hi : 115200bps
Lo : Transceiver connected
Lo
↔ IC3 · IC5
→ IC3 · IC5
→ IC3 · IC5
Pull Up
Pull Up
Pull Up
Lo : RESET
Pull Up
11.0592 MHz
11.0592 MHz
Lo : Read, → IC3 · IC5
Lo : Write, → IC3 · IC5
Hi
Lo
Hi
Analog power supply
Analog reference voltage
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