Function Table Of Ic - Sharp CD-C250X BK Service Manual

Pin No. Port Name
PGO
2
3 PG2
4 PG3
5
6
7 v s s
10 VDD
11 RES
12 TEST
13
14
15 SCK(PF2)
17
PC2
20 PC3
21 PDO
22
PD2
24 PD3
PEO
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal Name input/Output
SQOUT Input
COIN output
CQCK output
output
RWC
Input
Input
COMM Input
DATA output
SCK
output
output
LASER output
PU-IN SW Input
DRF Input
input
WRQ Input
output
RES
I
Figure 18 BLOCK DIAGRAM OF IC
Servo/signal control data input
Servo AMP, servo/signal control command output
Servo AMP, servo/signal control clock output
Servo AMP, servo/signal control R/W control
Connect to AD converter reference voltage input terminal GND.
Connect to AD converter reference voltage input terminal GND.
Connect to VSS terminal IGND).
OSC C,R or ceramic oscillator
Power terminal
Reset
Test
Serial data input from main microcomputer
Serial data output from main microcomputer
Clock input from main microcomputer
Servo AMP slide feed output
Servo AMP. slide return output
Input/output common port C-2
Pickup internal periphery position detection input; innermost periphery = L
Servo AMP. RF detection input
Input/output common port D-2
Servo/signal control request
control reset output
I I l-r
.
Function