LC87F7932B Datasheet, PDF (25/29 Pages) Sanyo Semicon Device – 32K-byte FROM and 2048-byte RAM integrated 8-bit 1-chip Microcontroller

LC87F7932B
F-ROM Programming Characteristics at Ta = +10°C to +55°C, VSS1 = VSS2 = 0V
Parameter
Onboard
programming
Symbol
IDDFW(1)
Pin/Remarks
VDD1
Conditions
• 128-byte programming
• Erasing current included
VDD[V]
min
3.0 to 5.5
Specification
typ
max
unit
5
10 mA
current
Programming
time
tFW(1)
• Erasing time
• Programming time
3.0 to 5.5
20
30 ms
45
60
μs
UART (Full Duplex) Operating Conditions at Ta = -40°C to +85°C, VSS1 = VSS2 = 0V
Parameter
Symbol
Pin/Remarks
Conditions
VDD[V]
min
Specification
typ
max
unit
Transfer rate
UBR
UTX(P00),
URX(P01)
2.4 to 3.6
16/3
8192/3 tCYC
Data length: 7/8/9 bits (LSB first)
Stop bits:
1 bit (2-bit in continuous data transmission)
Parity bits:
None
Example of 8-bit Data Transmission Mode Processing (Transmit Data=55H)
Start bit
Start of
transmission
Transmit data (LSB first)
Stop bit
End of
transmission
UBR
Example of 8-bit Data Reception Mode Processing (Receive Data=55H)
Start bit
Start of
reception
Receive data (LSB first)
Stop bit
End of
reception
UBR
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