Datasheet > Z8L18008FSC

Z8L18008FSC

更新时间： 2024-10-27 07:42:03

品牌	Logo	应用领域
ZILOG		微处理器
页数	文件大小	规格书
70页	386K
描述
ENHANCED Z180 MICROPROCESSOR

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Z8L18008FSC 数据手册

PRELIMINARY PRODUCT SPECIFICATION

Z80180/Z8S180/

Z8L180 SL1919

ENHANCED Z180 MICROPROCESSOR

FEATURES

■ Code Compatible with Zilog Z80 CPU

■ Two 16-Bit Counter/Timers

■ Extended Instructions

■ Two Enhanced UARTs (up to 512 Kbps)

■ Clock Speeds: 6, 8, 10, 20, 33 MHz

■ Operating Range: 5V (3.3V@ 20 MHz)

■ Two Chain-Linked DMA Channels

■ Low Power-Down Modes

■ On-Chip Interrupt Controllers

■ Three On-Chip Wait-State Generators

■ On-Chip Oscillator/Generator

■ Expanded MMU Addressing (up to 1 MB)

■ Clocked Serial I/O Port

■ Operating Temperature Range: 0 C to +70 C

■ -40 C to +85 C Extended Temperature Range

■ Three Packaging Styles

–

68-Pin PLCC

64-Pin DIP

80-Pin QFP

GENERAL DESCRIPTION

™

The enhanced Z80180/Z8S180/Z8L180 significantly im-

Not only does the Z80180/Z8S180/Z8L180 consume less

power during normal operations than the previous model,

it has also been designed with three modes intended to fur-

proves on the previous Z80180 models while still providing

full backward compatibility with existing Zilog Z80 devices.

The Z80180/Z8S180/Z8L180 now offers faster execution

speeds, power saving modes, and EMI noise reduction.

ther reduce the power consumption. Zilog reduced I pow-

er consumption during STANDBY Mode to a minimum of

10 µA by stopping the external oscillators and internal

clock. The SLEEP mode reduces power by placing the

CPU into a “stopped” state, thereby consuming less cur-

rent while the on-chip I/O device is still operating. The

SYSTEM STOP mode places both the CPU and the on-

chip peripherals into a “stopped” mode, thereby reducing

power consumption even further.

This enhanced Z180 design also incorporates additional

feature enhancements to the ASCIs, DMAs, and I

STANDBY Mode power consumption. With the addition of

“ESCC-like” Baud Rate Generators (BRGs), the two ASCIs

now have the flexibility and capability to transfer data asyn-

chronously at rates of up to 512 Kbps. In addition, the ASCI

receiver has added a 4-byte First In First Out (FIFO) which

can be used to buffer incoming data to reduce the inci-

dence of overrun errors. The DMAs have been modified to

allow for a “chain-linking” of the two DMA channels when

set to take their DMA requests from the same peripherals

device. This feature allows for non-stop DMA operation be-

tween the two DMA channels, reducing the amount of CPU

intervention (Figure 1).

A new clock doubler feature has been implemented in the

Z80180/Z8S180/Z8L180 device that allows the program-

mer to double the internal clock from that of the external

clock. This provides a systems cost savings by allowing

the use of lower cost, lower frequency crystals instead of

the higher cost, and higher speed oscillators.

The Enhanced Z180 is housed in 80-pin QFP, 68-pin

PLCC, and 64-pin DIP packages.

DS971800401

P R E L I M I N A R Y

1-1

12 3 4 5 6 7...70

中文翻译

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与Z8L18008FSC相关器件

型号	品牌	获取价格	描述	数据表
Z8L18008PEC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR
Z8L18008PSC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR
Z8L18008VEC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR
Z8L18008VSC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR
Z8L18010FEC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR
Z8L18010FSC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR
Z8L18010PEC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR
Z8L18010PSC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR
Z8L18010VEC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR
Z8L18010VSC	ZILOG	获取价格	ENHANCED Z180 MICROPROCESSOR

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