20
TC-S3
•
MAIN BOARD IC311 PT8300-S (LED DRIVE, MOTOR DRIVER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
RESET_B
I
Reset signal input terminal Nor used
3
CLK
I
Serial data transfer clock signal input from the PT8300-S (IC310)
4
LATCH
I
Serial data latch pulse input from the PT8300-S (IC310)
5
P15
O
Not used (connected to pin
6
)
6
P14
O
LED drive signal output of the B-FWD indicator (D302) “L”: LED on
7
P13
O
Not used (connected to pin
8
)
8
P12
O
LED drive signal output of the B-REV indicator (D303) “L”: LED on
9
P11
O
Not used (connected to pin
q;
)
10
P10
O
LED drive signal output of the A-REV indicator (D301) “L”: LED on
11
P9
O
Not used (connected to pin
qs
)
12
P8
O
LED drive signal output of the A-FWD indicator (D300) “L”: LED on
13
LATCHO
O
Not used (open)
14
CLKO
O
Not used (open)
15
DO1
O
Not used (open)
16
DI2
I
Not used (fixed at “L”)
17 – 21
P7 – P3
O
Not used (open)
22
P2
O
Not used (connected to pin
wd
)
23
P1
O
Capstan motor on/off control signal output terminal “H”: motor on
24
P0
O
High/normal speed selection signal output of the capstan motor
“H”: normal speed, “L”: high speed
25
DO2
O
Serial data output to the PT8300-S (IC310)
26
DI1
I
Serial data input from the PT8300-S (IC310)
27
PULLUP
I
P8 to P15 Control pin for Pull-up resistor (fixed at “L”)
28
VCC
—
Power supply terminal (+5V)
Summary of Contents for TC-S3
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