參數(shù)資料
型號(hào)： EM785842M
廠商： ELAN Microelctronics Corp .
英文描述： 8-BIT MICRO-CONTROLLER
中文描述： 8位微控制器
文件頁(yè)數(shù)： 39/45頁(yè)
文件大小： 461K
代理商： EM785842M
EM785840/5841/5842
8-bit Micro-controller
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to change without notice.
2004/11/10 V1.2
XI. AC Electrical Characteristic
CPU instruction timing (Ta = 25
°
C, AVDD=VDD=5V, VSS=0V)
Parameter
Input CLK duty cycle
Instruction cycle time
Symbol
Dclk
Tins
Condition
32.768kHz
3.582MHz
Note 1
Ta = 25
°
C
Min
45
Typ
50
60
550
16
16
Max
55
Unit
%
us
ns
ms
ns
ms
Device delay hold time
TCC input period
Watchdog timer period
Note 1: N= selected prescaler ratio.
ADC characteristic (VDD = 5V, Ta = +25
°
C, for internal reference voltage)
Parameter
Upper bound offset voltage
Lower bound offset voltage
*These parameters are characterized but not tested.
* About ADC characteristic, please refer to next page.
Timing characteristic (AVDD=VDD=5V,Ta=+25
°
C)
Description
Oscillator timing characteristic
Crystal start up
Timing characteristic of reset
The minimum width of reset low pulse
The delay between reset and program start
Tdrh
Ttcc
Twdt
(Tins+20)/N
16-30%
16+30%
Symbol
Vofh
Vofl
Condition
Min
Typ
44
32
Max
52.8
38.4
Unit
mV
mV
Symbol
Min
Typ
Max
Unit
32.768kHz
3.579MHz PLL
Tosc
400
1500
10
ms
us
5
Trst
Tdrs
3
uS
mS
18
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