Z89462 Datasheet, PDF (2/8 Pages) Zilog, Inc. – 16-BIT, FIXED-POINT DIGITAL SIGNAL PROCESSOR

PRELIMINARY
GENERAL DESCRIPTION (Continued)
Z89462
CP95DSP0400
Timers
CODEC
16
16
RAM0
512W
RAM1
512W
16
16
Program
RAM
1KW
WSG_BYWD
MDR
MAR
SP
FPR
MBUS_RAM01
Control
16
2
PDR
ds
IR
DSP Control
2
rd,wr
PAR
PC
PBUS
Control
IDB
16
X
Y
Multiplier
PH P
PL
32
PB
BFB
16
32
MUX
32 8
B
A
ALU
AE AH A
AL
BFR
Bit
Field
Unit
32
RC
Repeat
Count
Reg
CR
Control
Reg
3
INT2-0
INT
/HLTHW
CTL
/HLTOUT
/RESET
Status
Reg
SR
2
UI1-0
User
Port
UO1-0
2
Functional Block Diagram
CLK
CLKIN
GEN
CLK
8
VDD
VSS
8
2