Z86E7216PSG Zilog, Z86E7216PSG Datasheet - Page 69
Z86E7216PSG
Manufacturer Part Number
Z86E7216PSG
Description
IC 16K OTP ZIRC 40-DIP
Manufacturer
Zilog
Series
Z8®r
Datasheet
1.Z86E7216PSC.pdf
(102 pages)
Specifications of Z86E7216PSG
Core Processor
Z8
Core Size
8-Bit
Speed
16MHz
Peripherals
LVD, POR, WDT
Number Of I /o
31
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
748 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.620", 15.75mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
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Power-On Reset (POR)
The crystal must be connected across XTAL1 and XTAL2 using the recommended
capacitors (capacitance greater than or equal to 22 pF) from each pin to ground.
The RC oscillator configuration is an external resistor connected from XTAL1 to
XTAL2, with a frequency-setting capacitor from XTAL1 to ground (see
A timer circuit clocked by a dedicated on-board RC oscillator is used for the
Power-On Reset (POR) timer function. The POR time allows VCC and the oscilla-
tor circuit to stabilize before instruction execution begins.
The POR timer circuit is a one-shot timer triggered by one of three conditions:
•
•
•
The POR time is a nominal 5 ms. Bit 5 of the Stop-Mode Register determines
whether the POR timer is bypassed after Stop-Mode Recovery (typical for external
clock, RC, and LC oscillators).
C2
C1
C1
32 kHz XTAL
C1 = 20 pF, C = 33 pF
Rd = 56–470K
Rf = 10M
C2
Ceramic Resonator or Crystal
C1, C2 = 47pF TYP*
f = 8 MHz
Power Fail to Power OK status.
Stop-Mode Recovery (if D5 of SMR = 1).
WDT Time-Out.
Rd
Rf
XTAL2
XTAL1
Figure 38. Oscillator Configuration
XTAL2
XTAL1
* Preliminary value including pin parasitics
C2
C1
LC
C1, C2 = 22 pF
L = 130 μH*
f = 3 MHz*
L
XTAL2
XTAL1
External Clock
XTAL2
XTAL1
C1
RC
@ 3V VCC (TYP)
C1 = 33 pF*
R = 1K*
OTP Microcontroller
R
XTAL1
XTAL2
Figure
38).
65
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