SPC122A Sunplus Technology Co., Ltd., SPC122A Datasheet - Page 4

• Manufacturer Part Number: SPC122A
• Description: SOUND CONTROLLER WITH 128KB FLASH MEMORY
• Manufacturer: Sunplus Technology Co., Ltd.

5. SIGNAL DESCRIPTIONS**
© Sunplus Technology Co., Ltd.
Proprietary & Confidential
Mnemonic
VDD
VSS
XI
XO
OPT*
BURN
SPOP
RESET
TEST
AUD1
AUD2
D7 - 0
A17
A13 - 0
A16 - 14
IOA0
IOA1
IOA2
IOA3
IOB0
IOB1
IOB2
IOB4
IOB5
IOB6
IOB7
CE
ROMOE
PIN No.
74 - 60
6 - 13
3 - 1
29
34
45
57
17
27
50
66
32
31
30
15
16
14
18
19
36
33
35
46
47
48
49
59
58
56
54
53
52
51
5
4
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
I
I
I
I
I
I
I
I
I
Positive supply for logic and I/O pins
Ground reference for logic and I/O pins
Oscillator crystal input or RESISTOR (Resistor should be connected to VDD)
Oscillator crystal output
For ROSC option, OPT should be connected to VDD
Burn, This pin is an active high to select the flash ROM program function
This pin is an active low to select this chip as a 1Mbits memory
Data Output enable
Serial program option
This pin is an active low reset to the chip.
TEST MODE
AUDIO OUTPUT
Data Bus
Extended Memory Enable
Address Bus
Port A is an 8-bit bi-directional programmable Input / Output port with Pull-high or
Open-drain option. As inputs, Port A can be in either the Pure or Pull-high states. As
outputs, Port A can be either Buffer or Open-drain NMOS types (Sink current).
IOA0: Serial programming clock output
IOA2: Multi-duty cycle output
***See note 1 and 2 below.
Port B is an 8-bit bi-directional Input / Output port with Pull-low or Open-drain option. As
inputs, Port B can be in either the Pure or Pull-low states. As outputs, Port B can be
either Buffer or Open-drain NMOS types (Sink current).
***See note 1 and 2 below.
4
Description
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Preliminary Version: 0.9
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SPC122A
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SEP. 07, 2001
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