Function Table Of Ic - Sharp MD-R3H Service Manual

IC901 RH-iX0220AWZZ: System Control Microcomputer (IX0220AW) (1/2)
Pin No. Port Name
1 P77/AN7-P75/AN5
4* P74/AN4
5 P73/AN3
6 P72/AN2
7 P71/AN1
8 P70/AN0
9 PB3
10 PB2/DA
11 P57/SRDY3/AN15
12 P56/SCLK3/AN14
13 P55/SOUT3/AN13
14 P54/SIN3/AN12
15 P53/SRDY2/AN11
16 P52/SCLK2/AN10
17 P51/SOUT2/AN9
18 P50/SIN2/AN8
19 P67/SRDY1/CS/
SCLK12
20 P66/SCLK1
21 P65/SOUT1
22 P64/SIN1
23 P63/CNTR1
24 P62/CNTR0
25 P61/PWM
26 P60
27 P47/T3OUT
28 P46/T1OUT
29 P45/INT1/2CR
30* P44/INT4
31 P43/INT3
32 P42/INT2
33 P41
34 P40/INT0
35 RESET
36 PB1/Xcin
37 PB0/Xcout
38 Xin
39 Xout
40 VSS
41 P27
42 P26
43 P25
44 P24
45-54 P23/DIG19-
P12/DIG10
55,56 P11/SEG41/DIG9,
P10/SEG40/DIG8
57-60 P07/SEG39/DIG7-
P04/SEG36/DIG4
61-64 P05/SEG35/DIG3-
P00/SEG33/DIG0
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

FUNCTION TABLE OF IC

Terminal Name Input/Output
KEY1-KEY3
—
INI
JOG_AD
MLAS
MCK
MLAD
MSD/DIG SEL
JP1
PUIN
LOCKDRD
DAC_MODE
DAC_CLK/EX_SCK
DAC_DATA/EX_DATA
EX_LCK
DFS0/DFS1
DSTRB
DSCK
K-DATA
MD-DATA
MD-LO/EJ
D-OUT
CH CMND
CH DATA
CH RDY
CH CLK
P IN
PCNT
P-OUT
RX IN
P-MUTE
SBQS
RESET
Xcin
Xcout
Xin
Xout
VSS
SERCH
LOAD
S-ID
MD RESET
UDIG0-UDIG9
UDIG10,UDIG11
UDIG12-UDIG15
S35-S32
Input Key input
Input Not used
Input Initial setting read-in
Input Jog dial read-in
Output CD_SRV interface latch signal
Output CD_DSP serial interface clock signal
Output CD_DSP interface latch signal
Output Also used for CD_DSP serial interface command data/Q codes
and digital signal selector switching signals
Output SRV_IC jump brake control signal for the CD
Input CD pick-up position detection
Input Read-in the frame synchronous signal/disc rotary state signal
from the CD DSP
Output External DAC/ADC serial interface mode signal
Output Also used for the external DAC/ADC serial interface clock signal
and the serial/parallel IC serial interface clock signal
Output Also used for the external DAC/ADC serial interface clock signal
and the serial/parallel IC serial interface data signal
Output Also used for the serial/parallel IC serial interface latch signal
Input EMPHASIS information from the MD
Input Serial interface strobe signal for the MD
Output Serial interface clock signal for the MD
Output Serial interface transmission data for the MD
Input Serial interface reception data for the MD
Output MD loading supply voltage switching signal
Input Track count signal/FSOK signal from the CD SRV_IC
Output Serial interface transmission data for the CD changer
Input Serial interface reception data for the CD changer
Input Serial interface ready signal for the CD changer
Output Serial interface clock signal for the CD changer
Input Power failure detection
Output Power control signal
Output Power failure detection signal to the MD
Input Remote control optical reception signal
Output Audio mute control signal
Input CD sub-code Q read-out interrupt signal
Input Read-in for the RESET signal
Input Sub clock IN connection (32.7k)
Output Sub clock OUT connection (32.7k)
Input Main clock IN connection (8M)
Output Main clock OUT connection (8M)
Input GND
Output CD-to-MD SEARCH monitor signal
Input MD loading detection
Output CD-to-MD start ID signal
Output RESET signal to the MD
Output Digit for FL drive
Output Digit for FL drive
Output Digit for FL drive
Output Segment for FL drive
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MD-R3H
Function