User manual

PS023602-0804 P R E L I M I N A R Y The eZ80F91 Mini Enet Module
eZ80F915005MOD
eZ80F91 Mini Enet Module Product Specification
2
eZ80F91 Controller Features
• The eZ80F91 device contains 256 KB of Flash memory and 8 KB of SRAM
• Single-cycle instruction fetch, high-performance, pipelined eZ80
®
CPU core
• 10/100 Mbps Ethernet MAC with 8KB frame buffer
• Low power features including SLEEP mode, HALT mode, and selective peripher-
al power-down control
• Two UARTs with independent baud rate generators and support for 9-bit opera-
tion
• SPI with independent clock generator
• I
2
C with independent clock generator
• Infrared Data Association (IrDA)-compliant infrared encoder/decoder
• DMA-like eZ80
®
instructions for efficient block data transfer
• External interface with 4 chip selects, individual wait state generators, and an ex-
ternal WAIT input pin — supports Intel- and Motorola-style buses
• Flexible-priority vectored interrupts (both internal and external) and interrupt con-
troller
• Real-time clock with on-chip 32KHz oscillator, selectable 50/60Hz input, and sep-
arate V
DD
pin for battery backup
• Four 16-bit Counter/Timers with prescalers and direct input/output drive
• Watch-Dog Timer
• 32 bits of general-purpose I/O
• JTAG and ZDI debug interfaces
• 144-pin BGA package
• 3.0–3.6 V supply voltage with 5V tolerant inputs
• Standard operating temperature range: 0ºC to +70ºC
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