HD404818 Datasheet, PDF (20/100 Pages) Hitachi Semiconductor – 16-digit LCD driver

HD404818 Series
Table 1 Initial Values after MCU Reset (cont)
Items
LCD
Bit register
Miscellaneous
register
LCD control register (LCR)
Initial Value
000
LCD mode register (LMR)
0000
Low speed on flag (LSON) 0
Watchdog timer on flag
0
(WDON)
Direct transfer on flag (DTON) 0
(MIS)
000
Contents
Refer to description of LCD Control
Register
Refer to description of LCD Duty/Clock
Control
Refer to description of Low-Power
Dissipation Mode
Refer to description of Timer C
Refer to description of Low-Power
Dissipation Mode
—
Item
After MCU Reset to Recover from
Stop Mode
Carry flag (CA)
The contents of the items before
MCU reset are not retained. It is
necessary to initialize them by
software.
Accumulator (A)
B register (B)
W register (W)
X/SPX registers (X/SPX)
Y/SPY registers (Y/SPY)
Serial data register (SR)
RAM
The contents of RAM before MCU
reset (just before STOP instruction)
are retained.
After MCU Reset to Recover from
Other Modes
The contents of the items before MCU
reset are not retained. It is necessary to
initialize them by software.
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