PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 9

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

1.3
Figure 1
Semiconductor Group
Interface
Serial
Audio
Supply
Pow er
SIO
SC L K
SR
ST
R FS
T FS
VD D
VD DA P, VDD P
VS S
VD DA
V SSAP, VSSA
Logic Symbol
AD (0: 7)
CA (0: 15)
Ex ternal Mem ory Interface
Parallel Hos t Int erf ac e
CD(0: 15)
A (0: 3)
(R/W#)
PSB 7238
CR D#
WR#
(D S#)
C WR#
RD#
9
CS#
C PS#
AL E
CD S#
INT#
GP IO Interfac e
INTR#
GPIO(0 :3)
EA #
Res et
Data Sheet 1998-07-01
Introduction
DD
DU
DC L
FSC
CM1
XTAL 1
XTA L2
CL KO
PSB 7238
Int erf ace
Int erface
Sy s tem
IOM -2
Cloc k