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