SPC41B1 Sunplus Technology Co., Ltd., SPC41B1 Datasheet - Page 4

• Manufacturer Part Number: SPC41B1
• Description: 40KB SOUND CONTROLLER
• Manufacturer: Sunplus Technology Co., Ltd.

5. SIGNAL DESCRIPTIONS*
* Refer to SPC Programming Guide for complete information.
**Note: 1.) Two input states can be specified; Pure Input, Pull-High or Pull Low.
© Sunplus Technology Co., Ltd.
Proprietary & Confidential
Mnemonic
VDD
VSS
ROSC
RESET
TEST
AUD
IOC0
IOC1
IOC2
IOC3
IOD0
IOD1
IOD2
IOD3
IOD4
IOD5
IOD6
IOD7
2.) Three output states can be specified as Buffer output, Open Drain PMOS output (send), Open Drain NMOS output (sink).
PIN No.
1, 7
11
10
19
18
17
16
15
14
13
12
8
9
2
6
5
4
3
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
O
I
I
I
I
I
Supply voltage input
Ground
Oscillator input
RESET
TEST MODE
AUDIO OUTPUT
Port C is a 4-bit bi-directional programmable 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).
IOC1: EXT INT IN
IOC2: EXT COUNT IN
**See note 1 and 2 below.
Port D is an 8-bit bi-directional programmable 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 type (send current).
(Key change, Wake up I/O)
**See note 1 and 2 below.
4
Description
SPC41B1
SEP. 04, 2001
Version: 1.3