PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 15

• Manufacturer Part Number: PSB7238
• Description: Joint Audio Decoder-Encoder - Multimode
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

84
Table 7
Pin No. Symbol Function Description
81
80
79
78
Table 8
Pin No. Symbol Function Descriptions
11
29
35
42
53
59
66
72
77
94
Table 6
Pin No. Symbol Function Description
95
85
Semiconductor Group
CM1
SIO
RESET
GP0
GP1
GP2
GP3
V
V
V
V
V
V
V
V
V
V
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
Power Supply
General Control
General Purpose I/O Interface
I
I/O
I
I/O (OD)
I/O (OD)
I/O (OD)
I/O (OD)
I
I
I
I
I
I
I
I
I
I
Reset input. Reset time: > 1 ms.
General purpose I/O pins
Clock Mode
Selects the option for the generation of the DSP internal
working clock.
Serial I/O line.
When programmed as input, a rising or falling
(selectable) edge on this line may generate a maskable
interrupt INT (host) or INT1 (DSP).
When programmed as output, its state is directly
controlled by the DSP or the host.
Ground (common to
15
V
DD
and
V
DDP
)
Data Sheet 1998-07-01
Introduction
PSB 7238