HD404328 Datasheet, PDF (18/96 Pages) Hitachi Semiconductor – 4 BIT SINGLE CHIP MICROCOMPUTER

HD404328 Series
Item
Abbr. Initial Value Contents
Timer/
Timer counter C
(TCC) $00
—
counters, serial
interface
Timer load register B (TLR) $00
—
Timer load register C (TCR) $00
—
Octal counter
000
—
A/D
A/D mode register (AMR) 00-0
Refer to description of A/D mode register
LCD
LCD control register (LCR) 000
Refer to description of LCD control
register
LCD mode register (LMR) 0000
Refer to description of LCD duty
cycle/clock control register
LCD output register (LOR) 0000
Refer to description of LCD output
register
Bit register Low speed on flag (LSON) 0
Refer to description of low-power
dissipation modes
Watchdog timer on (WDON) 0
flag
Refer to description of timer C
A/D start flag
(ADSF) 0
Refer to description of A/D converter
Direct transfer on flag (DTON) 0
Refer to description of low-power
dissipation modes
Miscellaneous register
(MIS) 0000
Refer to description of miscellaneous
register
Note: The statuses of other registers and flags after MCU reset are as follows:
Item
Carry flag
Accumulator
B register
W register
X/SPX register
Y/SPY register
Serial data register
A/D data register
RAM
Abbr.
(CA)
(A)
(B)
(W)
(X/SPX)
(Y/SPY)
(SR)
(ADRL, ADRU)
Status After Cancellation of
Stop Mode by MCU Reset
Pre-MCU-reset values are not
guaranteed: values must be
initialized by program
Pre-MCU-reset (pre-STOP-
instruction) values are retained
Status After Cancellation of all
Other Types of Modes by MCU
Reset
Pre-MCU-reset values are not
guaranteed: values must be
initialized by program
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