參數資料
型號: Z86E72
廠商: ZiLOG, Inc.
英文描述: OTP IR Microcontroller(一次可編程紅外線微控制器)
中文描述: 檢察官辦公室紅外微控制器(一次可編程紅外線微控制器)
文件頁數: 55/75頁
文件大小: 394K
代理商: Z86E72
Z86E72/73
Zilog
OTP IR Microcontroller
DS97LVO1100
P R E L I M I N A R Y
55
1
Low Voltage Protection.
An on-board Voltage Compara-
tor checks that V
CC
is at the required level to ensure cor-
rect operation of the device. Reset is globally driven if V
CC
is below V
LV
(Low Voltage). The minimum operating volt-
age varies with the temperature and operating frequency,
while V
LV
varies with temperature only.
Software Selectable Options.
There are four Software
Selectable Options to choose from which corresponds to
the ROM based parts mask options. Register (F0) EH OTP
byte is where these options are controlled; these options
are:
Note:
The RC oscillator Xtal1/2 option is invoked during
OTP programming as a user-selectable item.
The Low Voltage trip voltage (V
LV
) is less than 3.0V under
the following conditions:
Maximum (V
LV
) Conditions:
T
A
= 0°C, +70°C Internal clock frequency equal to or less
than 8.0 MHz
Note:
The internal clock frequency is one-half the external
clock frequency.
The device functions normally above 3.0V under all condi-
tions. The minimum functionality point below 3V is to be
defined. The V
LV
is a function of temperature and process
parameters.
Bit Name
Port 0 Pull-ups (lower nibble)
Port 0 Pull-ups (upper nibble)
Port 2 Pull-ups
Mouse/Normal
Reg(0F)EH
On/Off
On/Off
On/Off
M/N
Figure 45. Typical Z86E7X Low Voltage
vs Temperature at 8 MHz
0
15
25
35
45
55
T
B
D
VLV
Temperature
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