Voice Processing Controllers
PRELIMINARY CUSTOMER PROCUREMENT SPECIFICATION
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Z89138/ Z89139 (ROMLESS)
VOICE PROCESSING CONTROLLERS
FEATURES
Device...
Description
PRELIMINARY CUSTOMER PROCUREMENT SPECIFICATION
1
Z89138/ Z89139 (ROMLESS)
VOICE PROCESSING CONTROLLERS
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
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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 kHz Sample Rate 10-Bit PWM D/A Converter Six Vectored, Prioritized Z8 Interrupts Three Vectored, Prioritized DSP Interrupts Two DSP Timers to Support Different A/D and D/A Sampling Rates IBM® PC-Based Development Tools Developer’s Toolbox for T.A.M. 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
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Low-Power Consumption - 200 mW (typical) Two Comparators RAM and ROM Protect On-Board Oscillator for 32.768 kHz Real-Time Clock
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GENERAL DESCRIPTION
The Z89138/Z89139 is a fully integrated, dual processor controller designed for voice processing applications. The I/O control processor is a Z8® MCU with 24 KB of program memory, two 8-bit counter/timers, and up to 47 I/O pins. The DSP is a 16-bit processor with a 24-bit ALU and accumulator, 512x16 bits of RAM, single cycle instructions, and 6K words of program ROM. The chip also contains a halfflash 8-bit A/D converter ...
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