hd66717 Renesas Electronics Corporation., hd66717 Datasheet - Page 40

• Manufacturer Part Number: hd66717
• Description: Low-power Dot-matrix Liquid Crystal Display Controller/driver -
• Manufacturer: Renesas Electronics Corporation.

HD66717
Table 17
Instruction No.
Write data
to RAM
Read data
from RAM
Note:
492
1. Represented by the number of operating clock pulses; the execution time depends on the
supplied clock frequency or the internal oscillation frequency.
WD
RD
BF
I/D
OSC = 1:
B/W = 1:
B
D
DC
LC
AMP = 1:
STB = 1:
NL1,NL0:
DL3 – DL1: Double-height lines (DL1 = 1: 1st line, DL2 = 1: 2nd line, DL3 = 1: 3rd line)
CT3–CT0:
SN2 – SN0: Display-start line (000: 1st line, 001: 2nd line, 010: 3rd line, 011: 4th line, 100: 5th line)
SL2 – SL0: Display-start raster-row (000: 1st raster-row... 111: 8th raster-row)
DA
AAN/A
ACG4–ACG0:
ADD6–ADD0: DDRAM address (0000000–1001011)
Instruction List (cont)
R/W RS
0
1
= 1:
= 1:
= 1:
= 1:
= 1:
= 1:
= 1:
SEG
= 0000–0010: Annunciator address
1
1
Internally operating
Increment
System clock divided by four
Black-white inverting cursor on
Blink cursor on
Display on
Character display on
Line containing AC given cursor attribute
Voltage-follower and booster on
Standby mode
Number of display lines [00: 1line (1/10 duty ratio), 01: 2 lines (1/18 duty ratio),
10: 3 lines (1/26 duty ratio),11:4 lines (1/34 duty ratio)]
Contrast adjustment
Annunciator display on
CGRAM address (00000–11111)
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Description
Write data
Read data
Code
DS
SLP = 1:
AC:
I/D
C
AAN/A
Address counter
= 0:
= 1:
= 1:
SEG
CGRAM, SEGRAM, or
annunciator.
CGRAM, or SEGRAM.
Decrement
Segment display on
Sleep mode
= 1000–1111: SEGRAM address
Writes data to DDRAM,
Reads data from DDRAM,
8th raster-row cursor on
Execution
Cycle *
10
10
1