Page 20 of 36
14
GND
Ground
15
GND
Ground
16
GND
Ground
17
GND
Ground
18
A2
Address bit 2
19
A1
Address bit 1
20
A0
Address bit 0
21
D0
Data bit B3
22
D1
Data bit B4
23
D2
Data bit B5
24
IOCS16
IOCS16
25
/CD2
Card detect pin 2
26
/CD1
Card detect pin 1
27
D11
No connection
28
D12
No connection
29
D13
No connection
30
D14
No connection
31
D15
No connection
32
/CE2
Card enable 2
33
GND
Ground
34
/RD
Memory read strobe
35
/WR
Memory write strobe
36
/WE
No connection
37
IRQ
Interrupt request
38
VCC
+5V
39
/CSEL
Chip SEL
40
NC
No connection
41
RESET
System reset
42
IORDY
IO Ready
43
NC
No connection
44
NC
No connection
45
/DASP
DASP
46
/PDIAG
PDIAG
47
D8
No connection
48
D9
No connection
49
D10
No connection
50
GND
Ground
J7 - USB connector
PIN
SYMBOL
DESCRIPTION
1
UVCC
USB - VCC
2
D-
-VE USB Data
3
D+
+VE USB Data
4
GND
Ground
J8 - M3-310 debugger
PP1 - Main power input
PIN
SYMBOL
DESCRIPTION
1
+12_CENTER
+12V DC in center pin
2
GND
Ground
VR1 – External volume control
PIN
DESCRIPTION
1-3, 2-4
Close (Factory default)
Open (for connection with 47K VR ext. cable (p/n:426890500-3))
