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ZILOG
Z89165/166/167/168/169 DTAD CONTROLLERS
CUSTOMER PROCUREMENT SPECIFICATION
Z89165/167/169 AND Z89166/168 (ROMLESS)
ENHANCED D UAL-PROCESSOR DTAD CONTROLLERS
FEATURES
s Part Number Z8 ROM (KBytes) Z8 RAM* (KBytes)
236 236 236 236 236
Speed (MHz)
20 20 24 24 24
s s
25 Expanded Register Files 47 Input/Output Lines (Z89165) 31 Input/Output Lines (Z89166) 43 Input/Output Lines (Core Processor) Six Vectored, Prioritized Z8 Interrupts with Programmable Polarity Three Vectored, Prioritized DSP Interrupts with Programmable Polarity Two Analog Comparators Two Programmable Z8 8-Bit Counter/Timers, Each with Two 6-Bit Programmable Prescaler Watch-Dog Timer /Power-On Reset On-Chip Oscillator that Accepts a Crystal, Ceramic Resonator, LC, RC, or External Clock Drive RAM and ROM Protect, Low-