hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 104
hd66789
Manufacturer Part Number
hd66789
Description
528-channel, One-chip Driver For Amorphous Tft Panels With 262,144-color Display Ram, Power Supply Circuit, And Gate Circuit
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.HD66789.pdf
(156 pages)
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HD66789
Rev.0.12, May 09 2003, page 104 of 156
Writing data in the horizontal direction
High-speed RAM write mode setting
Window address range setting
Dummy RAM write X 2
HSA = h12, HEA = h30
VSA = h08, VEA = hA0
Dummy RAM write X 3
AD = h0810 *
RAM write X 31
AM = 0, ID0 = 1
High-Speed RAM Write with Window Address Function
Address set
HWM = 1
Note: In the high-speed RAM write mode, the address set must be either 00 or 11
Note
in ID0 bit setting. Only the RAM address range specified by window addresses
will be overwritten.
X 153
h0000
h0812
Window address range setting
HAS = h12, HEA = h30
VSA = h08, VEA = hA0
Specified window address
range (rewrite area)
GRAM address map
hA030
hEFAF
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