Sharp MD-E9000H Service Manual page 88

MD-E9000H
IC1401 RH-iX0410AWZZ: MD System Microcomputer (IX0410AW) (2/2)
Terminal Name Input/Output
Pin No.
52 SYS D2 Input/Output
53 SYS D1 Input/Output
54 SYS D0 Input/Output
55* P37
56* P36
57* P35
58* P34
59* P33
60* P32
61 P31
62 VCC
63 INNSW
64 GND
65 L3 DATA
66 L3 MODE
67 L3 CLK
68* P24
69* P23
70 PCNT0
71* LAST
72 LD ON
73 A/B
74 SBSY
75* DAP ON
76* DFS0
77* DFS1
78 P12
79 P11
80 XRST
81* AD MUTE
82 LD+
83 LD-
84* MUTE
85* RAST
86* TEST2
87* TEST1
88* TEST0
89 AVCK3
90 AVCK2
91 AVCK1
92 DTEMP
93 MINF
94* TEST K1
95* TEST K2
96 GND
97* N.C.
98 VREF
99 AVCC
100 PR
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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SYS D2 (data bus 2)
SYS D1 (data bus 1)
SYS D0 (data bus 0)
Output Input output port P37.
Output Input/output port P36.
Output Input/output port P35.
Output Input/output port P34.
Output Input/output port P33.
Output Input/output port P32.
Output Input/output port P31.
Input +3.15 V
Input Pick most inner periphery detection input.
— GND
Output L3 DATA (soft serial communication, 2 mode presence, LSB first)
Output L3 MODE (soft serial communication, 2 mode presence, LSB first)
Output L3 CLK (soft serial communication, 2 mode presence, LSB first)
Output Input output port P24.
Output Input output port P23.
Output PCNT0 output.
Output LAST
Output LDON output. (H : ON)
Output ANLPTR output. ADC/DAC selection input.
Output Subcode communication block synchro input.
Output DAPON output. (for CK)
Output DFS0 output.
Output DFS1 output.
Output Input/output port P12.
Output Input/output port P11
Output XRST (system reset output)
Output ADMUTE output. (for CK)
Output Loading motor + side control output.
Output Loading motor - side control output.
Output MUTE output.
Output RAST
Input TEST 2
Input TEST 1
Input TEST 0
Input AVCK3 (motor driver power monitor input)
Input AVCK2 (AD/DA section 3.1 V monitor input)
Input AVCK1 (head circuit power monitor input)
Input DTEMP (temperature detection input)
Input MINF (disc type/REC input/mecha position)
Input TEST K1
Input TEST K2
— GND
— Not used.
Input +3.15 V
Input +3.15 V
Input Playback/recording unit setting input.
Function
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