參數(shù)資料
型號(hào)： Z86C8416PSC
廠商： ZILOG INC
元件分類： 微控制器/微處理器
英文描述： Z8 MCU MICROCONTROLLERS
中文描述： 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP28
封裝： PLASTIC, DIP-28
文件頁(yè)數(shù)： 33/46頁(yè)
文件大?。?/td> 957K
代理商： Z86C8416PSC
Z86C83/C84
Z8
MCU Microcontrollers
33
DS96DZ80203
FUNCTIONAL DESCRIPTION
(Continued)
Power-On Reset (POR).
A timer circuit clocked by a
dedicated on-board RC oscillator or by the XTAL oscillator
is used for the POR timer function. The POR time allows
V
and the oscillator circuit to stabilize before instruction
execution begins. The POR timer circuit is a one-shot timer
triggered by one of three conditions:
I
Power Fail to Power OK Status
I
Stop-Mode Recovery (If D5 of SMR Register = 1)
I
WDT Time-Out (Including from Stop Mode)
The POR time is T
minimum. Bit 5 of the STOP Mode
Register determines whether the POR timer is bypassed
after Stop-Mode Recovery (typical for external clock, and
RC/LC oscillators with fast start up time).
HALT.
Turns off the internal CPU clock but not the XTAL
oscillation. The counter/timers and external interrupts
IRQ0, IRQ1, and IRQ2 remain active. The device is
recovered by interrupts, either externally or internally
generated (a POR or a WDT time-out). An interrupt
request must be executed (enabled) to exit HALT mode.
After the interrupt service routine, the program continues
from the instruction after the HALT. In case of a POR or a
WDT time-out, program execution will restart at address
000CH.
STOP.
This instruction turns off the internal clock and
external crystal oscillation and reduces the standby
current to 10
μ
A (typical) or less. The STOP mode is
terminated by a reset of either WDT time-out, POR, or
Stop-Mode Recovery. This causes the processor to restart
the application program at address 000CH.
Figure 33. Gain Control on DAC
3.5
3.05
2.6
2.15
2% accuracy
1.7
1.26
.8
VDLO
0
80H
FFH
3.5V
VDHI
1/4X
1/2X
1X
DAC Output in Volts
2.15
DAC Data Register Value
Notes:
Vcc = 5.0V
±
10%
VDHI = 3.5V
VDLO = 0.8V
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