Sharp MD-MX30 Service Manual page 87

IC1401 RH-iX0326AWZZ:MD System Microcomputer (iX0326AW) (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* PCNT1
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* DOUTM
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.
In/Output SYS D2 (Data bus 2)
In/Output SYS D1 (Data bus 1)
In/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
Output Input/output port P31
Input +3.15V
Input Pick innermost periphery detection input
- GND
Output L3 DATA (software serial communication, with 2 modes available, LSB first)
Output L3 MODE (software serial communication, with 2 modes available, LSB first)
Output L3 CLK (software serial communication, with 2 modes available, LSB first)
Output Input/output port P24
Output Input/output port P23
Output PCNT0 output
Output Input/output port
Output LDON output(H:ON)
Output ANLPTR output
Output ADPON output (for CK)
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 LD+ (Loading motor + (positive) control output)
Output LD- (Loading motor - (negative) control output)
Output MUTE output
Output DOUTM output (for CK)
Input TEST2 (Special mode selection 2)
Input TEST1 (Special mode selection 1)
Input TEST0 (Special mode selection 0)
Input AVCK3(motor drive power monitor input)
Input AVCK2 (AD/DA section 3.1V monitor input)
Input AVCK1 (DOUT section 5V monitor input)
Input DTEMP (Temperature detection input)
Input MINF (Disc classification/REC input)
Input TEST K1(Test key input 1)
Input TEST K2(Test key input 2)
- GND
-
- +3.15V
- +3.15V
Input Playing/recording setting input
Function
– 87 –
MD-MX30/MX30W