hd66765 Renesas Electronics Corporation., hd66765 Datasheet - Page 47

• Manufacturer Part Number: hd66765
• Description: 396-channel Segment Driver With Internal Ram For 4096-color Displays - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

+1/-1 +256
Address
counter
(AC)
16
Figure 34 Data Processing Flow of the Graphics Operation
12
Logical/Compare operation (LG2—0:)
000: replacement, 001: OR, 010: AND, 011: EOR,
100: replacement with matched read, 101: replacement
with unmatched read, 110: replacement with matched
write, 111: replacement with unmatched write
Read-data latch
Graphics RAM (GRAM)
12
Write bit mask
12
Write-data latch
Microcomputer
47
12
16
12
12
3
Logical operation bit
Compare bit (CP11—0)
Write-mask register
(WM11—0)
(LG2—0)
HD66765