Control Port Functions - Sanyo PLC-XC10 Service Manual

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■ Control Port Functions

● System Control & I/O Port Table (IC801)
Pin No.
Name
1
Vcc-RTC
2
XTAL2
3
EXTAL2
4
Vss-RTC
5
MD1
6
MD2
7
NMI
8
IRQ0/IRL0/PTH[0]
9
IRQ1/IRL1/PTH[1]
10
IRQ2/IRL2/PTH[2]
11
IRQ3/IRL3/PTH[3]
12
IRQ4/PTH[4]
13
VEPWC
14
VCPWC
15
MD5
16
BREQ
17
BACK
18
VssQ
19
CKIO2
20
VccQ
21
D31/PTB[7]
22
D30/PTB[6]
23
D29/PTB[5]
24
D28/PTB[4]
25
D27/PTB[3]
26
D26/PTB[2]
27
D25/PTB[1]
28
D24/PTB[0]
29
VssQ
30
D23/PTA[7]
31
VccQ
32
D22/PTA[6]
33
D21/PTA[5]
34
D20/PTA[4]
35
Vss
36
D19/PTA[3]
37
Vcc
38
D18/PTA[2]
39
D17/PTA[1]
40
D16/PTA[0]
41
D15
42
VssQ
43
D14
44
VccQ
45
D13
46
D12
47
D11
48
D10
49
D9
50
D8
51
D7
52
D6
53
VssQ
54
D5
55
VccQ
56
D4
57
D3
58
D2
59
D1
60
D0
61
A0
62
A1
63
A2
64
VssQ
65
A3
66
VccQ
Function Name
Function
1.9V
Vcc for RTC(Real Time Clock)
Not used
Not used
GND
Vss for RTC
MD1
Clock mode
MD2
Clock mode
NMI
Non-maskable interrupt
IRQ_EXPAND
TE7780 I/O Expander interrupt
PWIF_PS_0
PW465 interrupt GPIO
IRQ_PWIF
PW465 I/F DualPort RAM interrupt
USB_INT
ML60851 interrupt
R/C
RC input
Not used
Not used
MD5
Endian setting
Not used
Not used
GND
Vss for IO-port
Not used
3.3V
Power Supply for IO-port
D31
Data bus 31
D30
Data bus 30
D29
Data bus 29
D28
Data bus 28
D27
Data bus 27
D26
Data bus 26
D25
Data bus 25
D24
Data bus 24
GND
Vss for IO-port
D23
Data bus 23
3.3V
Power Supply for IO-port
D22
Data bus 22
D21
Data bus 21
D20
Data bus 20
GND
Vss
D19
Data bus 19
1.9V
Power Supply
D18
Data bus 18
D17
Data bus 17
D16
Data bus 16
D15
Data bus 15
GND
Vss for IO-port
D14
Data bus 14
3.3V
Power Supply for IO-port
D13
Data bus 13
D12
Data bus 12
D11
Data bus 11
D10
Data bus 10
D9
Data bus 9
D8
Data bus 8
D7
Data bus 7
D6
Data bus 6
GND
Vss for IO-port
D5
Data bus 5
3.3V
Power Supply for IO-port
D4
Data bus 4
D3
Data bus 3
D2
Data bus 2
D1
Data bus 1
D0
Data bus 0
A0
Address Bus 0
A1
Address Bus 1
A2
Address Bus 2
GND
Vss for IO-port
A3
Address Bus 3
3.3V
Power Supply for IO-port
-55-
Polarity
I/O
-
-
-
1.9V fixed
-
-
-
L fixed
I
L fixed
I
I
Active L
I
L->H edge
I
H->L edge
I
Active L
I
Active L
I
-
-
L fixed
I
H fixed
I
-
-
-
-
-
-
-
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
-
-
I/O
-
-
-
I/O
-
I/O
-
I/O
-
-
-
I/O
-
-
-
I/O
-
I/O
-
I/O
-
I/O
-
-
-
I/O
-
-
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
-
I/O
-
-
-
I/O
-
I/O
-
I/O
-
I/O
-
I/O
-
O
-
O
-
O
-
-
-
O
-
-

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