EM78P569 View Datasheet(PDF) - ELAN Microelectronics
Part Name
Description
MFG CO.
'EM78P569' PDF : 58 Pages View PDF
EM78P569
8-bit OTP Micro-controller
XI. AC Electrical Characteristic
CPU instruction timing (Ta = 25°C, AVDD=VDD=5V, VSS=0V)
Parameter
Symbol Condition
Min
Typ Max Unit
Input CLK duty cycle
Dclk
45
50
55
%
Instruction cycle time
Tins 32.768kHz
60
us
3.582MHz
550
ns
Device delay hold time
Tdrh
16
ms
TCC input period
Ttcc Note 1
(Tins+20)/N
ns
Watchdog timer period
Twdt Ta = 25°C
16
ms
DAC output delay
Tda
50
uS
Note 1: N= selected prescaler ratio.
ADC characteristic (VDD = 5V, Ta = +25°C, for internal reference voltage)
Parameter
Symbol Condition Min Typ Max Unit
Upper bound offset voltage
Vofh
44 52.8 mV
Lower bound offset voltage
Vofl
*These parameters are characterized but not tested.
* About ADC characteristic, please refer to next page.
32 38.4 mV
Timing characteristic (AVDD=VDD=5V,Ta=+25°C)
Description
Symbol Min Typ Max Unit
Oscillator timing characteristic
OSC start up
32.768kHz
Toscs 400
1500 ms
3.579MHz PLL
5 10 us
SPI timing characteristic (CPU clock 3.58MHz and Fsco = 3.58Mhz /2)
/SS set-up time
Tcss 560
ns
/SS hold time
Tcsh 250
SCLK high time
Thi
250
ns
SCLK low time
Tlo
250
ns
SCLK rising time
Tr
15 30 ns
SCLK falling time
Tf
15 30 ns
SDI set-up time to the reading edge of SCLK
Tisu 25
ns
SDI hold time to the reading edge of SCLK
Tihd 25
ns
SDO disable time
Tdis
560 ns
Timing characteristic of reset
The minimum width of reset low pulse
Trst
3
uS
The delay between reset and program start
Tdrs
18
mS
Embedded LCD driver
Symbol Parameter
Ron
LCD driver ON resistance
Frame
LCD frame frequency
Condition
LCD function enable
1/2 , 1/4 duty
Min Typ Max Unit
2 4 kΩ
64
Hz
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
50
8/19/2004 V4.4
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