1.6
Functional Block Diagram
PSB 7238
Introduction
SIO AD(0 :7) A(0 :3 ) R D# WR# C S# AL E
INTR# IN T#
Re se t
EA#
Parallel Host Interface
Mon, C/I
Con trol
SC LK
SR
ST
R FS
TFS
S er i al
A ud i o
I/F
A u d io
Ch a nn e l s
HDL C/
Dat a
Cha n n els
DD
IOM/
DU
PCM
D CL
2M5Ma6ialbbilyobtoxex
FSC
256 by te
Conf ig/Cont rol
Regis ters
Ti mers
DSP
C o re
RAM ROM
External Memor y Interface
BRG
clock
g en/
PL L
GPIO
I/F
C M1
C L KO
XTA L1
XTA L2
GP ( 0:3)
C A(0 :15 ) C D(0 :15) C RD# CWR# C PS# C DS#
Figure 3
Detailed description see Chapter 2.
Semiconductor Group
17
Data Sheet 1998-07-01