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Control Port Functions
● System Control & I/O Port Table (IC801, HD6417727F)
1 1.9V Power for RTC(1.9V) - -
2 (Not used) X'TAL for built-in RTC (Open) -
3 1.9V X'TAL for built-in RTC (Vcc) -
4 GND Power for RTC(0V) - -
5 MD1 Clock mode setting [Default:L] L fixed I
6 MD2 Clock mode setting [Default:L] L fixed I
7 NMI Request for non-maskable interrupt - I
8 IRQ0 TE7780 interrupt Active L I
9 (Not used) (Not used) (Pull-up) I
10 VSYNC_INTR V-sync interrupt for panel drive Active L I
11 SH_INT_DPRAM Dual Port RAM interrupt Active L I
12 R/C Remote control signal input Active L I
13 (Not used) (Open) I
14 (Not used) (Open) I
15 MD5 Endian Setting L fixed I
16 (Not used) (Pull-up) -
17 (Not used) (Open) O
18 GND Power for Input/Output (0V) - -
19 (Not used) (Open) -
20 3.3V Power for Input/Output(3.3V) - -
21 D31 Data Bus - I/O
22 D30 Data Bus - I/O
23 D29 Data Bus - I/O
24 D28 Data Bus - I/O
25 D27 Data Bus - I/O
26 D26 Data Bus - I/O
27 D25 Data Bus - I/O
28 D24 Data Bus - I/O
29 GND Power for Input/Output(0V) - -
30 D23 Data Bus - I/O
31 3.3V Power for Input/Output(3.3V) - -
32 D22 Data Bus - I/O
33 D21 Data Bus - I/O
34 D20 Data Bus - I/O
35 GND Power (0V) - -
36 D19 Data Bus - I/O
37 1.9V Power (1.9V) - -
38 D18 Data Bus - I/O
39 D17 Data Bus - I/O
40 D16 Data Bus - I/O
41 D15 Data Bus - I/O
42 GND Power for Input/Output(0V) - -
43 D14 Data Bus - I/O
44 3.3V Power for Input/Output(3.3V) - -
45 D13 Data Bus - I/O
46 D12 Data Bus - I/O
47 D11 Data Bus - I/O
48 D10 Data Bus - I/O
49 D9 Data Bus - I/O
50 D8 Data Bus - I/O
51 D7 Data Bus - I/O
52 D6 Data Bus - I/O
53 GND Power for Input/Output (0V) - -
54 D5 Data Bus - I/O
55 3.3V Power for Input/Output (3.3V) - -
56 D4 Data Bus - I/O
57 D3 Data Bus - I/O
58 D2 Data Bus - I/O
59 D1 Data Bus - I/O
60 D0 Data Bus - I/O
61 A0 Address Bus - O
61 A1 Address Bus - O
63 A2 Address Bus - O
64 GND Power for Input/Output(0V) - -
65 A3 Address Bus - O
66 3.3V Power for Input/Output(3.3V) - -
67 A4 Address Bus - O
Pin No. Function Name Function Polarity I/O