Msd Cpu (Ic302) Port Functions - Panasonic AG-DV2500P Service Manual

4.3.5 MSD CPU (IC302) port functions

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