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SPDS106A
5. SIGNAL DESCRIPTIONS
Mnemonic
PIN No.
Type
Description
VDD
8, 16
I
Power for chip except shared PWM (Two VDD pins)
VSS
7, 23
I
Ground for chip except shared PWM (Two VSS pins)
XI/R
21
I
X’TAL OSC input or ROSC
XO
22
O
X’TAL OSC output
AUDP
2
O
Push-Pull and single pin PWM output (shared)
AUDN
4
O
Push-Pull PWM output (shared)
TEST1
24
I
Test input, internal pull low, NC
TEST2
19
I
Test input, internal pull low, NC
RESET
20
I
Reset input (Active low), internal pull high
IOA3 - 0
37 - 40
I/O
Programmable I/O pin
IOB3 - 0
33 - 36
I/O
Programmable I/O pin
IOC6 - 0
9 - 15
I/O
Programmable I/O pin
IOD7 - 0
25 - 32
I/O
Programmable I/O pin
VDD1
1, 5
I
Power for AUDP and AUDN (Two VDD1 pins)
VSS1
3
I
Ground for AUDP and AUDN
TEST3
6
O
TEST pin, NC
X32I
18
I
32768Hz X’TAL input (for RTC function)
X32O
17
O
32768Hz X’TAL output (for RTC function)
© Sunplus Technology Co., Ltd.
Proprietary & Confidential
4
SEP. 05, 2001
Version: 1.0
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