LU850425 Datasheet, PDF (11/15 Pages) Sharp Electrionic Components – 8-bit Microcomputer for DSP Camera Systems

TIMING CHART
(A) LU850425 (µCOM),/BF24C04F (EEPROM)
1. Write Mode (Writing data that is sent from the adjustment tool to the EEPROM.)
RMCK
RMDA
Start
12.5 µs
11 µs
88 µs
5 µs
5.5 µs
Stop
10 10 0 0 0 0
WA7 WA6 WA0 D7 D6
D0
Chip Address
ACK Word Address ACK Write Address ACK
LU850425
2. Read Mode
RMCK
RMDA
11 µs
11 µs ^{88 µs}
29 µs
11 µs
11 µs
Start
1 0 1 0 0 0 0 0 WA7 WA0
Chip Address
ACK
ACK
Word
Address
1 01 0 0 0 01
Chip Address
D7 D0
Read Data
ACK
[Address 0
EPROM data]
RMCK
11 µs Stop
RMDA
D7 D0
D7 D0
ACK Read Data ACK Read Data ACK
[Address 1 [Address 255
EPROM data] EPROM data]
EEPROM MARK
tHIGH
tLOW
tHD : STA
tSU : STA
tSU : STO
MINIMUM (µs)
11
88
11
11
11
11