Sharp CD-MD3000H Service Manual page 107

IC1401 RH-iX0349AWZZ: MD System Microcomputer (IX0349AW) (2/2)
Terminal Name Input/Output
Pin No.
52 SYS D2
53 SYS D1
54 SYS D0
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* NC
98 VREF
99 AVcc
100 PR
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output SYS D2 (data bus 2)
Input/Output SYS D1 (data bus 1)
Input/Output 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
Input Input/output port P31
Input +3.15V
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)
Input ANLPTR output. ADC/DAC selection input.
Input Subcode communication block synchro input.
Output DAPON output (for CK)
Output DFS0 output
Output DFS1 output
Input Input output port P12
Input 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
– +3.15V
– +3.15V
Input Playback/recording unit setting input
Function
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CD-MD3000H/CD-MD3000W