參數(shù)資料
型號: Z86C02
廠商: ZiLOG, Inc.
英文描述: Cost Effective ,512-Byte ROM CMOS Z8 Microcontroller(帶512字節(jié)ROM的CMOS 微控制器)
中文描述: 成本效益,512 - ROM的字節(jié)的CMOS Z8微控制器(帶光盤的512字節(jié)的CMOS微控制器)
文件頁數(shù): 16/37頁
文件大?。?/td> 1159K
代理商: Z86C02
Z86C02/E02/L02
Cost Effective, 512-Byte ROM CMOS Z8
Microcontrollers
Zilog
16
P R E L I M I N A R Y
DS96DZ80301
PIN FUNCTIONS
(Continued)
XTAL1, XTAL2
Crystal In, Crystal Out (time-based input
and output, respectively). These pins connect a parallel-
resonant crystal, LC, RC, or an external single-phase
clock (8 MHz max) to the on-chip clock oscillator and buff-
er.
Port 0, P02-P00.
Port 0 is a 3-bit bi-directional, Schmitt-
triggered CMOS compatible I/O port. These three I/O lines
can be globally configured under software control to be in-
puts or outputs (Figure 8).
Auto Latch.
The Auto Latch puts valid CMOS levels on all
CMOS inputs (except P33, P32, P31) that are not external-
ly driven. A valid CMOS level, rather than a floating node,
reduces excessive supply current flow in the input buffer.
On Power-up and Reset, the Auto Latch will set the ports
to an undetermined state of 0 or 1. Default condition is
Auto Latches enabled.
Figure 8. Port 0 Configuration
Open
Out
In
1.5 2.3 Hysteresis
PAD
Port 0 (I/O)
Z8
Auto Latch Option
R 500 k
VCC @ 5.0V
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