參數(shù)資料
型號: Z86L0208SSC
廠商: ZILOG INC
元件分類: 微控制器/微處理器
英文描述: LOW-COST, 512-BYTE ROM MICROCONTROLLERS
中文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO18
封裝: SOIC-18
文件頁數(shù): 23/36頁
文件大小: 898K
代理商: Z86L0208SSC
Z86C02/E02/L02
Low-Cost, 512-Byte ROM Microcontrollers
DS96DZ80301 (11/96)
P R E L I M I N A R Y
1-23
1
Clock.
The Z8 on-chip oscillator has a high-gain, parallel-
resonant amplifier for connection to a crystal, ceramic res-
onator, or any suitable external clock source (XTAL1 = IN-
PUT, XTAL2 = OUTPUT). The crystal should be AT cut,
8 MHz max, with a series resistance (RS) of less than or
equal to 100 Ohms.
The crystal or ceramic resonator should be connected
across XTAL1 and XTAL2 using the vendors crystal or ce-
ramic resonator recommended capacitors from each pin
directly to device ground pin 14 (Figure 17). Note that the
crystal capacitor loads should be connected to V
SS
, Pin 14
to reduce Ground noise injection.
Figure 16. Interrupt Block Diagram
IRQ0 - IRQ5
IRQ
IMR
IPR
Priority
Logic
5
Global
Interrupt
Enable
Vector Select
Interrupt
Request
Figure 17. Oscillator Configuration
XTAL1
XTAL2
C1
C2
C1
*
C2
Ceramic
Resonator
or Crystal
External Clock
L
LC Clock
XTAL1
XTAL2
XTAL1
XTAL2
*
*
=Device Ground Pin
XTAL1
XTAL2
R
RC Clock
Vss *
Vss *
C
Vss *
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