Panasonic KX-TD7685 - Wireless Digital Phone, Service Manual

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68
KX-TD7685
16.1.2. IC301 (MIDI)
Pin
No.
Terminal Name I/O Setting Pull-up/down
Processing
Contents of Control Remark
1 IRQ O - Interrupt request output 1: IRQ to IC201
2 IFSEL I - Connect to GND 0: serial interface mode
3 SYNC O - Not in use (open) -
4 AVDD - - 2.7V supply -
5 TESTA I - Not in use (GND) -
6 TESTA I - Not in use (GND) -
7 TESTA I - Not in use (GND) -
8 VREFL O - Reference voltage of AOUTL pin -
9 VREFR O - Reference voltage of AOUTR pin -
10 AOUTL O - Audio signal output Audio signal to Speaker
11 AOUTR O - Audio signal output Audio signal to Speaker
12 AGND - - Ground -
13 PTESTO2 O - Not in use (open) -
14 ILE I - Not in use (GND) -
15 nCS I - Chip select input 0: enable
16 nRD I - Not in use (GND) -
17 nWR I - Not in use (GND) -
18 D7/TESTO O - Not in use (open) -
19 D6/TESTO O - Not in use (open) -
20 D5/ERQ O - Interrupt request output 1: IRQ to IC201
21 D4/SRQ O - Interrupt request output 1: IRQ to IC201
22 D3/ARQ O - Not in use (open) -
23 D2/SCLK I - Sync clock input Sync clock(1.152MHz) from IC201
24 DGND - - Ground -
25 D1/SDOUT O - Not in use (GND) -
26 D0/SDIN I - Serial Data input Input serial data from IC201
27 VDDIO - - 2.7V supply -
28 DVDD - - 2.7V supply -
29 PTESTIN1 I - Not in use (GND) -
30 CLOCK I - Master clock input 6.000MHz
31 P0 O Pull-up (Built-in) P0 0: LCD backlight ON
32 P1 O Pull-up (Built-in) Not in use (open) -
33 P2 O Pull-up (Built-in) P2 1: CHARGE LED ON
34 P3 O Pull-up (Built-in) P3 1: CHARGE COMPLETE LED ON
35 P4 O Pull-up (Built-in) P4 0: IC303 ON
36 PTESTO1 O - Not in use (open) -
37 VIB O - VIB control signal 0: VIB ON
38 DrvGND - - Ground -
39 PANEL O - Not in use (open) -
40 PWMA O - Not in use (open) -
41 PWMB O - Not in use (open) -
42 PWMC O - Not in use (open) -
43 PWMD O - Not in use (open) -
44 DVDD - - 2.7V supply -
45 DGND - - Ground -
46 TEST1 I - Not in use (GND) -
47 PTESTIN2 I - Not in use (GND) -
48 nRESET I - Reset signal input from IC201 0: reset