HD66773R Datasheet, PDF (66/133 Pages) Renesas Technology Corp – 262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels

HD66773R
c) RAM-Data Read-Transfer Timing
CS*
(input)
SCL
(input)
SDI
(input)
Start byte
RS=1,
R/W=1
SDO
(output)
Dummy
read 1
Dummy
read 2
Dummy
read 3
Dummy
read 4
Dummy
read 5
RAM read: RAM read:
upper eight lower eight
bits
bits
Start
Note: The five-byte data following the start byte are read as invalid data.
The HD66773R read the 6th-byte data as normal data.
End
73R
d) Status Read / Instruction Read
CS*
(Input)
SCL
(Input)
SDI
(Input)
Start byte
RS = 0,
R/W = 1
SDO
(Output)
Dummy read 1 ^{Status read: Status read:}
upper 8 bits lower 8 bits
Start
End
Note: The one-byte data read after the start byte is invalid.
The HD6677R starts to read the second-byte data as normal data.
Rev.1.10, Jun.21.2003, page 66 of 133