EPVP6800 Datasheet, PDF (43/47 Pages) ELAN Microelectronics Corp – VFD Controller

mode
Low clock current
(GREEN mode)
Crystal oscillation
ISB2
operating mode
Low clock current
(IDLE mode)
ISB3
Crystal oscillation operating
mode
Operating supply current
(Normal mode)
ICC
Crystal oscillation operating
mode
ePVP6800
VFD Controller
VDD =3V CLK=32.768KHz, all
30
60
µA analog circuits disabled, all input and
I/O pin at VDD, output pin floating
VDD =5V CLK=32.768KHz, all
65
90
µA analog circuits disabled, all input and
I/O pin at VDD, output pin floating
VDD =3V CLK=32.768KHz, all
30
45
µA analog circuits disabled, all input and
I/O pin at VDD, output pin floating
VDD =5V CLK=32.768KHz, all
45
60
µA analog circuits disabled, all input and
I/O pin at VDD, output pin floating
/RESET=High, CLK=3.582MHz, all
1.3
2
mA analog circuits disabled, output pin
floating
12 AC Electrical Characteristic
12.1 CPU Instruction Timing
(Ta = -20°C ~ 70°C, VDD=5V, VSS=0V)
Parameter
Input CLK duty cycle
Instruction cycle time
Device delay hold time
TCC input period
Watchdog timer period
Symbol Condition
Min
Typ
Max
Unit
Dclk
45
50
55
%
32.768kHz
Tins
3.582MHz
60
us
550
ns
Tdrh
16
ms
Ttcc
Note 1 (Tins+20)/N
ns
Twdt Ta = 25°C
16
ms
NOTE: N= selected prescaler ratio
This specification is subject to change without further notice.
11.28.2004 (V123) 37 of 47