em78p468n ELAN Microelectronics Corp, em78p468n Datasheet - Page 58

• Manufacturer Part Number: em78p468n
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

EM78P468N/L
8-Bit Microcontroller
52 •
*
Symbol
Symbol
N= selected prescaler ratio
Tdelay
Thold
IOH1
Twdt
IOL2
ICC1
ICC2
ICC3
Tdrh
Dclk
Tset
Tins
Ttcc
Trst
IPH
ISB
IPL
8.2 AC Electrical Characteristics
Ta=- 40°C ~ 85 ° C, VDD=5V±5%, GND=0V
Output high voltage
(P5.7/IROUT pin)
Output Low Voltage
(P5.7/IR OUT pin)
Pull-high current
Pull-low current
Sleep mode current
Idle mode current
Green mode current
Normal mode
Input CLK duty cycle
Instruction cycle time
(CLKS="0")
TCC input period
Device reset hold time
/RESET pulse width
Watchdog timer period
Input pin setup time
Input pin hold time
Output pin delay time
Parameter
Parameter
Pull-high active, input pin at GND
Pull-low active, input pin at VDD
VOH = 2.4V, IROCS=”1”
VOL = 0.4V, IROCS=”1”
All input and I/O pins at VDD,
Output pin floating,
WDT disabled
/RESET= 'High', CPU OFF,
Sub-oscillator clock (32.768kHz)
ON, output pin floating,
LCD enabled, no load
/RESET= 'High', CPU ON,
Sub-oscillator clock (32.768kHz),
Output pin floating,
WDT enabled, LCD enabled
/RESET= 'High', Fosc=4MHz
(Crystal type, CLKS="0"),
Output pin floating
Cload=20pF
Crystal type
Conditions
Ta = 25 ° C
Ta = 25 ° C
Ta = 25 ° C
RC type
(This specification is subject to change without further notice)
−
−
−
−
Condition
Product Specification (V1.6) 12.31.2007
(Tins+20)/N*
2000
11.3
11.3
Min
100
500
45
−
−
−
Min.
-3.5
-16
16
−
−
−
−
−
16.2
16.2
Typ
50
20
50
−
−
−
−
0
Typ.
0.73
-23
0.1
23
10
−
−
4
Max
21.6
21.6
DC
DC
55
−
−
−
−
−
Max. Unit
-30
1.2
12
30
20
−
1
8
Unit
ms
ms
mA
mA
mA
ns
ns
ns
ns
ns
ns
ns
%
μA
μA
μA
μA
μA