Z86E04 Datasheet, PDF (29/44 Pages) Zilog, Inc. – CMOS Z8 OTP MICROCONTROLLERS

Zilog
Z86E04/E08
CMOS Z8 OTP Microcontrollers
Clock. The Z8 on-chip oscillator has a high-gain, parallel- The crystal should be connected across XTAL1 and
resonant amplifier for connection to a crystal, LC, RC, ce- XTAL2 using the vendors crystal recommended capacitors
1 ^{ramic resonator, or any suitable external clock source from each pin directly to device ground pin 14 (Figure 16).}
(XTAL1 = INPUT, XTAL2 = OUTPUT). The crystal should Note that the crystal capacitor loads should be connected
be AT cut, up to 12 MHz max., with a series resistance to V_SS, Pin 14 to reduce Ground noise injection.
(RS) of less than or equal to 100 Ohms.
XTAL1
C1
C1
*
*
XTAL2
C2
C2
*
*
Ceramic Resonator or LC
Crystal
C1, C2 = 47 pF TYP *
F = 8 MHz
XTAL1
L
XTAL2
* Typical value including pin parasitics
XTAL1
C1
*
XTAL2
XTAL1
R
XTAL2
External Clock
RC
@ 5V Vcc (TYP)
C1 = 100 pF
R = 2K
F = 6 MHz
Figure 16. Oscillator Configuration
DS97Z8X1104
PRELIMINARY
29