em78p5842 ELAN Microelectronics Corp, em78p5842 Datasheet - Page 39

• Manufacturer Part Number: em78p5842
• Description: 8-bit Micro-controller
• Manufacturer: ELAN Microelectronics Corp

XI. AC Electrical Characteristic
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* This specification is subject to change without notice.
CPU instruction timing (Ta = 25qC, AVDD=VDD=5V, VSS=0V)
ADC characteristic (VDD = 5V, Ta = +25qC, for internal reference voltage)
*These parameters are characterized but not tested.
* About ADC characteristic, please refer to next page.
Timing characteristic (AVDD=VDD=5V,Ta=+25qC)
Timing characteristic of reset
The minimum width of reset low pulse
The delay between reset and program start
Note 1: N= selected prescaler ratio.
Description
Oscillator timing characteristic
Crystal start up
Parameter
Input CLK duty cycle
Instruction cycle time
Device delay hold time
TCC input period
Watchdog timer period
Parameter
Upper bound offset voltage
Lower bound offset voltage
Symbol
Dclk
Tdrh
Twdt
Tins
Ttcc
32.768kHz
3.579MHz PLL
Symbol
Vofh
Vofl
Condition
32.768kHz
3.582MHz
Note 1
Ta = 25qC
Condition
Symbol
Trst
Tdrs
Tosc
(Tins+20)/N
37
16-30%
Min
45
Min
400
Min
3
Typ
18
Typ
550
5
50
60
16
16
Typ
44
32
1500
Max Unit
10
16+30%
Max
Max
52.8
38.4
55
uS
mS
ms
us
EM785840/5841/5842
8-bit Micro-controller
Unit
Unit
mV
mV
ms
ms
%
us
ns
ns
2004/11/10 V1.2