Sharp TM150, Service Manual

Page: 76 / 86

TM150 OTHERS
6 – 10
CONFIDENTIAL DRAFT
In this unit, the terminal withasterisk mark ( * ) is (open) terminal which
is not connected to the outside.
■
IC507 VHITC7SET00FU- (TC7SET00FU): LOGIC
■
IC508 VHI817A30NB-1R (817A30NB): 3.0V REGULATOR
■
IC509 VHILVC2G34P-1R (LVC2G34P): BUFFER
■
IC701 VHIR116025B-1L (R116025B): 2.5V REGULATOR
Pin
No.
Terminal
name
Input/
Output
Description of terminal
21 PIO6 Input/
Output
General purpose I/O
22 PIO3 Input/
Output
General purpose I/O
23 GND - Ground
24 SPIMOSI Input/
Output
For factory use only
25 SPICLK Input/
Output
For factory use only
26 PIO4 Input/
Output
General purpose I/O
27 PIO7 Input/
Output
General purpose I/O
28 PIO1 Input/
Output
General purpose I/O
29 RF_IO Input/
Output
RF input/output
30 GND - Ground
31 SPIMISO Input/
Output
For factory use only
32 SPICSB Input/
Output
For factory use only (Not used)
33 PIO2 Input/
Output
General purpose I/O
34 PIO0 Input/
Output
General purpose I/O
Pin
No.
Terminal
name
Input/
Output
Description of terminal
1 INB Input Input B
2 INA Input Input A
3 GND - Ground
4 OUT Y Output Output Y
5 VCC - Power supply
1
IN B IN A GND
(TOP VIEW)
VCC OUT Y
2 3
5
4
Pin
No.
Terminal
name
Input/
Output
Description of terminal
1 VSS - Ground (GND)
2 VIN Input Input voltage (VDD)
3 VOUT Output Output voltage
4 NC - Not used (CE)
Pin
No.
Terminal
name
Input/
Output
Description of terminal
1 1A Input Input
2 GND - Ground
3 2A Input Input
4 2Y Output Output
5 VCC
-
Power supply
6 1Y Output Output
Pin
No.
Terminal
name
Input/
Output
Description of terminal
1 VDD Input Input
2 GND - Ground
3 CE Input Chip enable
4 ECO Input High speed/low consumption selector switch
5 VOUT Output Output
+
-
3
4
VIN
VSS NC
VOUT
Short-circuit
protection circuit
1
2
Reference
voltage
5
GND VCC
2Y
1Y
2A
1A
4 3
6
2
1
+
-
5
4
2
VDD
CE GND
VOUT
ECO
VREF
CURRENT LIMIT
3
1
*