HD66773R Datasheet, PDF (65/133 Pages) Renesas Technology Corp – 262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels

HD66773R
a) Timing Basic Data Transfer through Clock Synchronized Serial Bus Interface
Transfer start
CS*
(Input)
Transfer end
SCL
(Input)
SDI
(Input)
SDO
(Output)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
MSB
LSB
"0" "1" "1" "1" "0" ID
RS RW
DB
15
DB
14
DB DB
13 12
DB
11
DB
10
DB DB
98
DB
7
DB
6
DB
5
DB
4
DB
3
DB DB
21
DB
0
Devise ID
code
Start byte
RS RW
Index register setting,
instruction,
RAM data wite
DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Status read, instruction read, RAM data read
b) Timing of Consecutive Data-Transfer through Clock-synchronized serial Bus Interface
CS*
(Input)
SCL
(Input)
SDI
(Input)
1 2 3 4 5 6 7 8 9 10111213141516 1718192021222324 2526272829303132
Start byte
Instruction 1:
upper eight bits
Instruction 1:
lower eight bits
Instruction 2:
upper eight bits
Start
Instruction 1: execution time _End
Note: The first byte after the start byte is always the upper eight bits.
Rev.1.10, Jun.21.2003, page 65 of 133