Description
PRELIMINARY CUSTOMER PROCUREMENT SPECIFICATION 1 Z89138/ Z89139 (ROMLESS) VOICE PROCESSING CONTROLLERS .
The Z89138/Z89139 is a fully integrated, dual processor controller designed for voice processing applications.
Features
* Device Z89138 Z89139 ROM (KB) 24 RAM
* (Bytes) 256 256 I/O Lines 47 47 Voltage Range 4.5V to 5.5V 4.5V to 5.5V
s s s s s s s s s s s s s
1
Clock Speeds of 20.48 or 29.49 MHz 16-Bit Digital Signal Processor (DSP) 6K Word DSP Program ROM 512 Words On-Chip DSP RAM 8-Bit A/D Converter with up to 16
Applications
* Note:
* General-Purpose s s s
Watch-Dog Timer and Power-On Reset Improved Low-Power STOP Mode On-Chip Oscillator that Accepts a Crystal or External Clock Drive Improved Global Power-Down Mode
s
Low-Power Consumption - 200 mW (typical) Two Comparators RAM and ROM Protect On-Board Oscillator fo