Ic3 ( Gdi Asic ) - Panasonic KX-P7100 Service Manual

7.3.

IC3 ( GDI ASIC )

IC3 (GDI ASIC)
Pin
Symbol In/Out
No.
1 PEND Out
2 BUSY Out
3 nACK Out
4 nSTROB In
5 VSS -
6 PIOD7 In/Out
7 VDD -
8 PIOD6 In/Out
9 PIOD5 In/Out
10 PIOD4 In/Out
11 PIOD3 In/Out
12 PIOD2 In/Out
13 PIOD1 In/Out
14 PIOD0 In/Out
15 PCLK -
16 VDD -
17 SIOAO In/Out
18 nSIOCS -
19 SIOWR -
20 SIORD -
21 VDO1 -
22 VDO0 Out
23 DOTCLK -
24 VCLK In
25 VSS -
26 nHSYNC In
27 VDD -
28 nVSROZ In
nCBSY Out
29
30 nCCLK Out
31 nCMD Out
32 GIO3 Out
GIO4 In
33
34 GIO5 In
35 nSBSY In
36 nSTS In
Out
37 MA0
38 MA1 Out
39 MA2 Out
40 VSS -
Out
41 MA3
42 MA4 Out
43 VSS -
44 MA5 Out
45 MA6 Out
46 MA7 Out
47 VDD -
48 MA8 Out
49 MA9 Out
50 nINIT In
Function
Paper End signal
Busy signal
Acknowledge signal
Data strobe signal
GND
Bi-directional data7
+5V
Bi-directional data6
Bi-directional data5
Bi-directional data4
Bi-directional data3
Bi-directional data2
Bi-directional data1
Bi-directional data0
N.C.
+5V
GND (via 10k ohm)
N.C.
N.C.
N.C.
N.C.
Video data
N.C.
Video clock
GND
HSYNC signal
+5V
Engine Vsync request
Command busy signal
Communication clock
Command data
Print signal
Printer power ready signal
Printer ready signal
Status busy signal
Status data
Memory address signal0
Memory address signal1
Memory address signal2
-
Memory address signal3
Memory address signal4
-
Memory address signal5
Memory address signal6
Memory address signal7
-
Memory address signal8
Memory address signal9
Initial signal
Pin
Symbol In/Out
No.
51 nRAS1 Out
52 nRAS0A Out
53 nRAS0B -
54 nCAS Out
55 nMOE Out
56 nMWE Out
57 VSS -
58 MA10 -
59 MA11 -
60 MA12 -
61 MA13 -
62 MA14 -
63 MD7 In/Out
64 VDD -
65 MD6 In/Out
66 VDD -
67 MD5 In/Out
68 MD4 In/Out
69 MD3 In/Out
70 MD2 In/Out
71 MD1 In/Out
72 VSS -
73 MD0 In/Out
74 nRD In
75 nWR In
76 ASTB In
77 AD0 In/Out
78 AD1 In/Out
79 AD2 In/Out
80 AD3 In/Out
81 AD4 In/Out
82 AD5 In/Out
83 AD6 In/Out
84 VDD -
85 AD7 In/Out
86 nWAIT In/Out
87 nINTR Out
88 nIOCS1 -
89 VSS -
90 CLKO -
91 CLKI In
92 VSS -
93 nRESET In
94 CA8 In
95 CA9 In
96 CA10 In
97 SLCTIN In
98 nAUTOFD In
99 nFAULT Out
100 SLCT Out
89
Function
Memory row address strobe
Bank 0 chip select signal
N.C.
Memory column
address strobe
Memory output
enable signal
Memory write signal
GND
N.C.
N.C.
N.C.
N.C.
N.C.
Memory data7
+5V
Memory data6
+5V
Memory data5
Memory data4
Memory data3
Memory data2
Memory data1
GND
Memory data0
CPU read signal
CPU write signal
CPU latch signal
CPU address/data0
CPU address/data1
CPU address/data2
CPU address/data3
CPU address/data4
CPU address/data5
CPU address/data6
+5V
CPU address/data7
+5V (via 10k ohm)
CPU interrupt signal
N.C.
GND
N.C.
System clock
GND
System reset signal
CPU address8
CPU address9
CPU address10
Select In signal
Auto Feed signal
Fault signal
Select signal
KX-P7100