LC87F7DC8A_10 Datasheet, PDF (22/26 Pages) Sanyo Semicon Device – FROM 128K byte, RAM 4K byte on-chip 8-bit 1-chip Microcontroller

LC87F7DC8A
F-ROM Write Characteristics at Ta = +10°C to +55°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Onboard
programming
Symbol
IDDFW(1)
Pin/Rem
arks
VDD1
Conditions
• 128-byte programming
• Erasing current included
VDD[V]
min
3.0 to 5.5
Specification
typ
max
unit
25
40 mA
current
Programming tFW(1)
• 128-byte programming
time
• Erasing current included
3.0 to 5.5
22.5
45 ms
• Time for setting up 128-byte data is
excluded.
UART (Full Duplex) Operating Conditions at Ta = -40 to +85°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Transfer ate
Symbol
UBR
Pin/Remarks
UTX(P32),
URX(P33)
Conditions
VDD[V]
2.2 to 5.5
min
16/3
Specification
typ
max
unit
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 of
transmission
Start bit
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
No.A1156-22/26