4-8
Pin No. Port Name Reference I/O Description
1 ND OPEN - Not used
2 ND OPEN - Not used
3 VSS D_GND - GND for digital
4 P01/D1 STD_CASS_SW I Standard cassette switch
5 P05/D5 START_SEL_2 O Standard sensor sensibility selection
6 P11/D9 REEL_FWD_CTL O Reel motor direction control
7 NC (VDDF) VOUT_25 I Power for digital
8 VSS D_GND - GND for digital
9 P26/D22/SBI1 EEPR_SDI I For EEPROM communication
10 P30/D24/SBT1 EEPR_SCL O For EEPROM communication
11 P35/D29/SBO3 MS_IN O Data for MS_BUS communication
12 P40/PWM1/TM0IO DRUM_REF O DRUM_REF (MDA)
13 P51/IRQ1 DRUM_FG I DRUM_FG
14 P57/IRQ7 GND (10k) O Not used
15 NC (VDDF ) VOUT_25 I Power for digital
16 P61/IRQ9 GNDÅi10kÅj O Not used
17 — 20 ND OPEN - Not used
21 VDDH AL_3VSYS I Power for digital
22 VOUT VOUT_25 O Power for VDD and VDDF
23 P14/D12 HOUSING_IN O Housing control
24 P03/D3 HOUSING2_SW I HW2/mini cassette eject switchs
25 P07/D7 END_SEL_2 O End sensor sensibility
26 P13/D11 HOUSING_SW I Housing control
27 P20/D16/SBIB CLN_SOL O Cleaner solenoid drive
28 P22/D18/SBTB MSD_RDY O For MS_BUS communication
29 P32/D26/SBO2 LED_1SW O Front panel LED 1
30 VDDH AL_3VSYS I Power for digital
31 VSS D_GND - GND for digital
32 P53/IRQ3 GND (10k) O Not used
33 P25/D21/SBT0 MIC_3 O CLK for cassette MIC communication
34 P33/D27/SBT2 EEPR_CS O For EEPROM communication
35 P63/IRQ11 GND (10k) O Not used
36 ND OPEN - Not used
37 ND OPEN - Not used
38 PU1/WE3/SRAS OPEN O Not used
39 LON AL_3VSYS (1k ) I Use for regulator
40 NMIRQ AL_3VSYS O Not used
41 VDDH AL_3VSYS I Power for digital
42 P04/D4 START_SEL_1 O Standard sensor sensibility selection
43 P06/D6 END_SEL_1 O End sensor sensibility selection
44 P15/D13 HOUSING_OUT O Housing control
45 P17/D15 CAP_BRK O MDA control
46 NC (VSS) D_GND - GND for digital
47 P23/D19/SBI0 MIC_1 O For cassette MIC communication
48 P31/D25/SBI2 LED_2_SW O Front panel LED2
49 P37/D31/PWM0 CAP_REF O CAP_REF (MDA)
50 P41/PWM2/TM1IO MECHA_REF O Mode/Housing motor control voltage
51 P43/PWM4 OPEN O Not used
52 P34/D28/SBI3 MS_OUT I Data for MS_VUS communication
53 P54/IRQ4 GND (10k) O Not used
4.3.5MSD CPU (IC302) port functions
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