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• IC901 HD64F2134FA20 (Display µCOM port assign) (DISPLAY Board)
Pin No.
Pin Name I/O Function
1 RESET I Reset
2 XTAL I 20MHz master clock
3 XTAL O 20MHz master clock
4 MD1 I 1: normal/0:boot
5 MD0 I Ground
6 NMI I Ground
7 STBY I +5V
8 VCC — +5V
9 FL-CLK O FL driver clock (positive)
10 FL-LAT O FL driver latch (negative)
11 FL-DAT O FL driver data (positive)
12 VSS — Ground
13 FL-CLR O FL driver clear (1 = clear)
14 EXCL I Pull down (10k)
15 EXP-DO O External LED data (positive)
16 EXP-OE O External LED OE (0 = enable)
17 EXP-LAT O External LED latch (posi edge)
18 EXP-CLK O External LED clock (posi edge)
19 P91 O LED “Phono” (0 = on)
20 P90 I Pull down (10k)
21 POW CONT O Power control (0 = on)
22 MON STATUS O Monitor status (positive)
23 CTRL LAT O Control latch (positive)
24 CTRL-A1 OUT O Control-A1 output (H-act)
25 CTRL-A1 IN I Control-A1 input (L-act)
26 VOL UP O Volume moter increse (1 = on)
27 VOL DOWN O Volume moter decrese (1 = on)
28 VOL LED O LED “VOLUME” (0 = on)
29 AVCC — +5V
30 VOL-POS I Volume position A/D inpit
31 AN1 I Ground
32 AN2 I Ground
33 AN3 I Sircs input (“L”-act)
34 FUNC-SW4 I SW input selector bit3 (“L”-act)
35 FUNC-SW3 I SW input selector bit2 (“L”-act)
36 FUNC-SW2 I SW input selector bit1 (“L”-act)
37 FUNC-SW1 I SW input selector bit0 (“L”-act)
38 AVSS — Ground
39 TXD2 O Communicate with CONT
40 RXD2 I Communicate with CONT
41 DIG/ANLG SW I Push SW “DIGITAL/ANALOG” (“L” = ON)
42 AUDIO SPLIT SW I Push SW “AUDIO SPLIT” (“L” = on)
43 2CH SW I Push SW “2CH” (“L” = on)
44 MODE+ SW I Push SW “MODE+” (“L” = on)
45 MODE– SW I Push SW “MODE–” (“L” = on)
46 DOL/MPEG SW I Push SW “DOLBY/MPEG/DTS” (“L” = on)
47 VCC — +5V
48 EQ-BANK SW I Push SW “EQ-BANK” (“L” = on)
49 DIG/ANA LED O LED “DIGITAL/ANALOG” (0 = on)
50 AUD-SPLIT LED O LED “AUDIO SPLIT” (0 = on)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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