Zilog P R E L I M I N A R Y Z80189/Z8L189 GENERAL -PURPOSE E MBEDDED CONTROLLERS PRELIMINARY PRODUCT SPECIFICATION Z80189/Z8L189 GENERAL-PURPOSE EMBEDDED CONTROLLERS FEATURES Part Z80189 Z8L189 CPU S180* S180* UART 16550 16550 I/O 24 24 Speed (MHz) 33 20 s s s s Com Port Decode PC DMA Mailbox Registers Host I/O Mailbox Programmable Fixed /ROMCS and /RAMCS Boundaries 100-Pin QFP and VQFP Packages 3.
3 and 5.
0-Volt Operating Ranges 0°C to +70°C Temperature Range s Fully Static Z180™ MPU Core* – – – – – – – – – – On-Chip 1 MByte MMU Two Enhanced UART Channels (up to 512 Kbps)† Two Chain-Linked DMA Channels† x 2 Clock Multiplier Low-Power Consumption Modes Two 16-Bit Timer/Counters Clocke...

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