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● System Control & I/O Port Table (IC301)
■ Control Port Functions
178Port A7 LAMP_PWM PWM Output to Sub-CPU PWM O
115Port A6 MUPO_ON I
44 Port A5 M_SCL1 I/O
116Port A4 M_SDA1 O
45 Port A3 M_SCL2 I/O
46 Port A2 M_SDA2 O
117Port A1 SCLK 3 Line Serial Bus Clock O
180Port A0 SDATA 3 Line Serial Bus Data O
173Port B7 NMI Reset SW Input I
111 Port B6 IRM_STB 3 Line Serial Bus Strobe O
40 Port B5 3L_EN 3 Line Serial Bus Enable O
174Port B4 POWER_FAIL Power Fail Detection Error = L I
41 Port B3 A23 Address Bus 23
175Port B2 A22 Address Bus 22
112Port B1 A21 Address Bus 21
229 Port B0 A20 Address Bus 20
71 Port E7 5V_SW Standby 5V OFF Standby = L O
139Port E6 DCLK_SW O
200 Port E5 VHDPEN IC101 Video Decoder Enable O
140Port E4 LAMP_POW Lamp ON to Sub-CPU Lamp-ON = H O
201 Port E3 USB_VBUS USB Connector Detection Not used I
141Port E2 USB_RST USB Device Reset Output O
72 Port E1 ON_15V Standby 15V OFF Standby = L O
142Port E0 USB_EN USB Device Enable Output O
119Port F7 IRRCVR1 IR Receiver Input 1 Not used I
182Port F6 IRRCVR0 IR Receiver Input 0 I
47 Port F5 RXD I
182Port F4 TXD O
189Port F3 CS0 I/O Expander Chip Select (Output) O
55 Port F2 CS1 I/O Expander Chip Select (Input) O
207 Port F1 DCLKEXT D-port Clock External Input Not used I
257 Port F0 MCLKEXT Memory System Clock Input Not used I
194A19 A19 Address Bus 19
63 A19 A18 Address Bus 18
132A17 A17 Address Bus 17
62 A16 A16 Address Bus 16
61 A15 A15 Address Bus 15
131A14 A14 Address Bus 14
193A13 A13 Address Bus 13
247 A12 A12 Address Bus 12
60 A11 A11 Address Bus 11
246 A10 A10 Address Bus 10
59 A9 A9 Address Bus 9
130A8A8Address Bus 8
129A7A7Address Bus 7
192A6A6Address Bus 6
128A5A5Address Bus 5
58 A4 A4 Address Bus 4
191A3A3Address Bus 3
190A2A2Address Bus 2
245 A1 A1 Address Bus 1
244 A0 A0 Address Bus 0
242 D15 D15 Data Bus 15 I/O
241 D14 D14 Data Bus 14 I/O
187D13 D13 Data Bus 13 I/O
53 D12 D12 Data Bus 12 I/O
124D11 D11 Data Bus 11 I/O
186D10 D10 Data Bus 10 I/O
240 D9 D9 Data Bus 9 I/O
123D8D8Data Bus 8 I/O
185D7D7Data Bus 7 I/O
122D6D6Data Bus 6 I/O
51 D5 D5 Data Bus 5 I/O
184D4D4Data Bus 4 I/O
121D3D3Data Bus 3 I/O
50 D2 D2 Data Bus 2 I/O
49 D1 D1 Data Bus 1 I/O
183D0D0Data Bus 0 I/O
127RDRDRead Enable Not used I/O
56 WR WR Write Enable Not used I/O
118 BHEN BHEN High Byte Enable Not used I/O
Pin No. Name Function Name Function Polarity I/O
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