- 136 -
n
Control Port Functions
● System Control & I/O Port Table (IC801 HD6417727)
Pin No. Name Function Name Function Polarity I/O
1 Vcc - RTC 1.9V
2 XTAL2 unused O
3 EXTAL2 1.9V Crystal Oscilator (Internal RTC) I
4 Vss - RTC GND
5 MD1 MD1 Setting Clock Mode [Default : L ] I
6 MD2 MD2 Setting Clock Mode [Default : L ] I
7 NMI NMI
Nonmaskable Interrupt Request I
8 IRQO / IRL0 / PTH[0] FPGA_INTR FPGA Interrupt I
9 IRQ1 / IRL1 / PTH[1] unused
External interrupt request/External interrupt request/Inport H(1) I / I / I
10 IRQ2 / IRL2 / PTH[2] VSYNC_INTR lcd Panel Drive V - Sync Interrupt Active L I
11 IRQ3 / IRL3 / PTH[3] SH_INT_DPRAM Dual Port RAM Interrupt Active L I
12 IRQ4 / PTH [4] R/C Rimocon Signal Input Active L i
13 VEPWC unused LCD Panel VEE Control Terminal O
14 VCPWC unused LCD Panel VCC Control Terminal O
15 MD5 MD5 Alway L I
16 BREQ unused Bus Request I
17 BACK unused Bus Acknowledge O
18 VssQ GND
19 CKIO2 unused System Clock Output O
20 VccQ 3.3V
21 D31 / PTB[7] SH_D31 Data bus I / O
22 D30 / PTB[6] SH_D30 Data bus I / O
23 D29 / PTB[5] SH_D29 Data bus I / O
24 D28 / PTB[4] SH_D28 Data bus I / O
25 D27 / PTB[3] SH_D27 Data bus I / O
26 D26 / PTB[2] SH_D26 Data bus I / O
27 D25 / PTB[1] SH_D25 Data bus I / O
28 D24 / PTB[0] SH_D24 Data bus I / O
29 VssQ GND
30 D23 / PTA[7] SH_D23 Data bus I / O
31 VccQ 3.3V
32 D22 / PTA[6] SH_D22 Data bus I / O
33 D21 / PTA[5] SH_D21 Data bus I / O
34 D20 / PTA[4] SH_D20 Data bus I / O
35 Vss GND
36 D19 / PTA[3] SH_D19 Data bus I / O
37 Vcc 1.9V
38 D18 / PTA[2] SH_D18 Data bus I / O
39 D17 / PTA[1] SH_D17 Data bus I / O
40 D16 / PTA[0] SH_D16 Data bus I / O
41 D15 SH_D15 Data bus I / O
42 VssQ GND
43 D14 SH_D14 Data bus I / O
44 VccQ 3.3V
45 D13 SH_D13 Data bus I / O
46 D12 SH_D12 Data bus I / O
47 D11 SH_D11 Data bus I / O
48 D10 SH_D10 Data bus I / O
49 D9 SH_D9 Data bus I / O
50 D8 SH_D8 Data bus I / O
51 D7 SH_D7 Data bus I / O
52 D6 SH_D6 Data bus I / O
53 VssQ GND
54 D5 SH_D5 Data bus I / O
55 VccQ 3.3V
56 D4 SH_D4 Data bus I / O
57 D3 SH_D3 Data bus I / O
58 D2 SH_D2 Data bus I / O
59 D1 SH_D1 Data bus I / O
60 D0 SH_D0 Data bus I / O
61 A0 SH_A0 Adress bus O
62 A1 SH_A1 Adress bus O
63 A2 SH_A2 Adress bus O
64 VssQ GND
65 A3 SH_A3 Adress bus O
66 VccQ 3.3V
67 A4 SH_A4 Adress bus O
68 A5 SH_A5 Adress bus O
69 A6 SH_A6 Adress bus O
70 A7 SH_A7 Adress bus O
71 A8 SH_A8 Adress bus O