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LC87F2C64A Datasheet, PDF (23/28 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller
LC87F2C64A
Continued from preceding page
Parameter
Current
consumption
during HOLD
mode
(Note 9-1)
Symbol
IDDHOLD(1)
Pin/
Remarks
VDD1
= VDD2
= VDD3
Conditions
HOLD mode
• CF1=VDD or open
(when using external clock)
VDD[V]
min
4.5 to 5.5
Specification
typ
max unit
0.1
52
2.4 to 3.6
0.04
22
Current
consumption
during
Date/time
IDDHOLD(3)
Date/time clock HOLD mode
• CF1=VDD or open (when using external clock)
• FmX’tal=32.768kHz crystal oscillation
• Normal mode
4.5 to 5.5
2.4 to 3.6
49.9
213
μA
9.6
73.4
clock HOLD
mode
(Note 9-1)
IDDHOLD(4)
Date/time clock HOLD mode
• CF1=VDD or open (when using external clock)
• FmX’tal=32.768kHz crystal oscillation
• Power save mode
4.5 to 5.5
2.4 to 3.6
1.0
94.3
0.76
39.3
Note9-1: Values of the consumption current do not include current that flows into the output transistors and internal
pull-up resistors.
F-ROM Programming Characteristics at Ta = +10°C to +55°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Onboard
programming
current
Programming
time
Symbol
IDDFW
tFW(1)
tFW(2)
Pin/Remarks
Conditions
VDD1
• Current of the Flash module
• Erase time
• Program time
VDD[V]
min
3.0 to 5.5
3.0 to 5.5
Specification
typ
max
unit
5
10 mA
20
30 ms
40
60
μs
UART (Full Duplex) Operating Conditions at Ta = -30°C to +70°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Transfer rate
Data length:
Stop bits:
Parity bits:
Symbol
Pin/Remarks
Conditions
UBR
UTX1(P00), URX1(P01)
UTX2(P02), URX2(P03)
7, 8, and 9 bits (LSB first)
1 bit (2-bit in continuous data transmission)
None
VDD[V]
2.4 to 5.5
min
16/3
Specification
typ
max
8192/3
unit
tCYC
Example of Continuous 8-bit Data Transmission Mode Processing (first transmit data=55H)
Start bit
Start of
transmission
Transmit data (LSB first)
Stop bit
End of
transmission
UBR
Example of Continuous 8-bit Data Reception Mode Processing (first receive data=55H)
Start bit
Start of
reception
Receive data (LSB first)
Stop bit
End of
reception
UBR
No.A1935-23/28