參數(shù)資料
型號: Z86E0812PSC1866
廠商: ZILOG INC
元件分類: 微控制器/微處理器
英文描述: CMOS Z8 OTP Microcontrollers
中文描述: 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP18
封裝: PLASTIC, DIP-18
文件頁數(shù): 29/44頁
文件大?。?/td> 251K
代理商: Z86E0812PSC1866
Z86E04/E08
Zilog
CMOS Z8 OTP Microcontrollers
DS97Z8X0401
P R E L I M I N A R Y
29
1
Clock.
The Z86E04/E08 on-chip oscillator has a high-
gain, parallel-resonant amplifier for connection to a crystal,
LC, RC, ceramic resonator, or any suitable external clock
source (XTAL1 = INPUT, XTAL2 = OUTPUT). The crystal
should be AT cut, up to 12 MHz max., with a series resis-
tance (RS) of less than or equal to 100 Ohms.
The crystal should be connected across XTAL1 and
XTAL2 using the vendors crystal recommended capacitors
from each pin directly to device ground pin 14 (Figure 16).
Note that the crystal capacitor loads should be connected
to V
SS
, Pin 14 to reduce Ground noise injection.
Figure 16. Oscillator Configuration
XTAL1
XTAL2
C1
C2
C1
C2
C1
XTAL1
XTAL2
XTAL1
XTAL2
XTAL1
XTAL2
Ceramic Resonator or
Crystal
C1, C2 = 47 pF TYP *
F = 8 MHz
LC
RC
@ 5V Vcc (TYP)
C1 = 100 pF
R = 2K
F = 6 MHz
External Clock
L
R
* Typical value including pin parasitics
*
*
*
*
*
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