SPC122A Sunplus Technology Co., Ltd., SPC122A Datasheet - Page 5

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

*OPT is the selection pin for ROSC or X’TAL using the bonding option. The shape looks like the figure at the right. When ROSC
**Refer to SPC Programming Guide for complete information.
***Note: 1.) Two input states can be specified; Pure Input, Pull-High or Pull Low.
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is selected, OPT is connected to VDD. If X’TAL is selected, OPT is floating. The reason OPT is near VDD is that when ROSC is
selected, it is easy to make the connection between VDD and OPT.
Mnemonic
IOC0
IOC1
IOC2
IOC3
IOC4
IOC5
IOC6
IOC7
IOD0
IOD1
IOD2
IOD3
IOD4
IOD5
IOD6
IOD7
2.) Three output states can be specified as Buffer output, Open Drain PMOS output (send), or Open Drain NMOS output
(sink).
PIN No.
28
26
25
24
23
22
21
20
44
43
42
41
40
39
38
37
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
I/O
I/O
Port C is an 8-bit bi-directional Input / Output port with Pull-high or Open-drain option.
As inputs, Port C can be in either the Pure or Pull-high states. As outputs Port C can be
a Buffer or Open-drain NMOS type (sink current).
IOC0: Serial programming Data
IOC1: EXT INT PIN
IOC2: EXT COUNT IN
***See note 1 and 2 below.
Port D is an 8-bit bi-directional Input / Output port with Pull-low or Open-drain option. As
inputs, Port D can be either Pure or Pull-low states. As outputs, Port D can be either
Buffer or Open-drain PMOS (send current). (Port D can be software programmed for
wake up I/O)
***See note 1 and 2 below.
5
Description
Preliminary Version: 0.9
P
P
SPC122A
r
r
VDD
e
e
l
l
i
i
SEP. 07, 2001
m
m
i
i
n
n
a
a
OPT
r
r
y
y