hd66712u Renesas Electronics Corporation., hd66712u Datasheet - Page 88

• Manufacturer Part Number: hd66712u
• Description: Dot-matrix Liquid Crystal Display Controller/driver - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

RESET*
Note: When power is supplied, initializing by the internal reset circuit has priority. Accordingly,
V
Notes: 1.
CC
the above RESET* input is ignored during internal reset period.
2.
3.
2.7V/4.5V
t
supply oscillations.
Specified at 4.5V for 5-volt operation, and at 2.7V for 3-volt operation.
If the above electrical conditions are not satisfied, the internal reset circuit will not
operate normally. In this case, initialized by instruction. (Refer to the Initializing by
Instruction section.)
OFF
0.2V
compensates for the power oscillation period caused by momentary power
VIL1
t
0.1 ms
Figure 39 Power Supply Sequence
*2
rcc
Figure 38 Reset Timing
t
rcc
10 ms
t
RES
0.2V
t
OFF
t
OFF *1
1 ms
0.2V
VIL1
HD66712U
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