EM78P221/2N
8-Bit Microcontroller with OTP ROM
54 •
Product Specification (V1.0) 10.19.2007
(This specification is subject to change without further notice)
Symbol Parameter Condition Min. Typ. Max. Unit
IPH
Pull-high current
(Ports 50~53, 64~67)
Pull-high active, input pin at VSS
50 − 90 μA
IPL
Pull-low current
(Ports 60~67)
Pull-low active, input pin at Vdd
20 − 60 μA
ISB1 Power down current
All input and I/O pins at VDD,
Output pin floating, LVR disabled
WDT disabled,
− 2 − μA
ISB2 Power down current
All input and I/O pins at VDD,
Output pin floating, LVR Disabled
WDT enabled,
− 10 − μA
ISB3 Power down current
All input and I/O pins at VDD,
Output pin floating, LVR enabled
WDT disabled
− 4.0 − μA
ICC1
Operating supply current
at two clocks (VDD=3V)
/RESET= 'High', Fosc=32kHz
(Crystal type, CLKS="0"),
Output pin floating,
WDT disabled, LVR disabled
− 15 20 μA
ICC2
Operating supply current
at two clocks (VDD=3V)
/RESET= 'High', Fosc=32kHz
(Crystal type, CLKS="0"),
Output pin floating,
WDT enabled, LVR disabled
− 15 25 μA
ICC3
Operating supply current
at two clocks (VDD=5V)
/RESET= 'High', Fosc=4MHz
(Crystal type, CLKS="0"),
Output pin floating,
WDT enabled, LVR disabled
− 1.5 1.7 mA
ICC4
Operating supply current
at two clocks (VDD=5V)
/RESET= 'High', Fosc=10MHz
(Crystal type, CLKS="0"),
Output pin floating,
WDT enabled, LVR disabled
− 2.8 3.0 mA
Internal RC Electrical Characteristics (Ta=25
°
C, VDD=5 V, VSS=0V)
Drift Rate
Internal RC
Temperature Voltage Min. Typ. Max.
4MHz 25
°
C 5V 3.84MHZ 4MHz 4.16MHz
16MHz 25
°
C 5V 15.36MHz 16MHz 16.64MHz
1MHz 25
°
C 5V 0.96MHz 1MHz 1.04MHz
455kHz 25
°
C 5V 436.8kHz 455kHz 473.2kHz
Internal RC Electrical Characteristics (Ta=-40 ~85
°
C, VDD=2.1~5.5 V, VSS=0V)
Drift Rate
Internal RC
Temperature Voltage Min. Typ. Max.
4MHz -40~85
°
C 2.1~5.5V 3.44MHz 4MHz 4.56MHz
16MHz -40~85
°
C 2.1~5.5V 13.76MHz 16MHz 18.24MHz
1MHz -40~85
°
C 2.1~5.5V 0.86MHz 1MHz 1.14MHz
455kHz -40~85
°
C 2.1~5.5V 391.3kHz 455kHz 518.7kHz
