Z87010 Datasheet, PDF (2/22 Pages) Zilog, Inc. – Audio Encoder/Decoders

Z87010/Z87L10
Audio Encoder/Decoders
GENERAL DESCRIPTION (Continued)
ICs. As configured by the Zilog-provided embedded soft-
ware for digital cordless phones, the Z87010 supports a
low-cost 8-bit µ-law telephone CODEC. The Z87010 is to
Zilog
be used with the Z87000 and operates at 16.384 MHz, pro-
viding 16 MIPS of processing power needed for the cord-
less telephone application.
EXT 0-15
/RDYE
ER//W
/EI
EA0-2
16-Bit
I/O
Interface
256 Word
RAM0
256 Word
RAM1
DSP
Core
Wait
State
Generator
13-Bit
Timer
4K Words
Program ROM
Dual
CODEC
Interface
Power
RXD
TXD
SCLK
FS0
FS1
UO0-1
UI0-1
/RESET
/INT0-2
VDD
VSS
Figure 1. Z87010 Functional Block Diagram
Notes: All signals with a preceding front slash, ‘/’, are
active Low, e.g., B//W (WORD is active Low); /B/W (BYTE
is active Low, only).
Power connections follow conventional descriptions be-
low:
Connection
Power
Ground
Circuit
V_CC
GND
Device
V_DD
V_SS
2-2
PRELIMINARY
DS96WRL0601