HD404629R Datasheet, PDF (22/157 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a DTMF Generator Circuit

HD404629R Series
Table 1 Initial Values After MCU Reset (cont)
Item
Timer/
counters,
serial
interface
A/D
LCD
Timer write register B
Timer write register C
Timer write register D
Octal counter
A/D mode register
A/D data register
LCD control register
LCD mode register
Abbr.
(TWBU,
TWBL)
(TWCU,
TWCL)
(TWDU,
TWDL)
(OC)
(AMR)
(ADRL,
ADRU)
(LCR)
(LMR)
Initial
Value
$X0
$X0
$X0
000
00 - 0
$80
- 000
0000
LCD output register 1
LCD output register 2
(LOR1)
(LOR2)
0000
0000
Contents
—
—
—
—
Refer to description of A/D mode register
Refer to description of A/D data register
Refer to description of LCD control register
Refer to description of LCD duty-cycle/clock
control register
Sets R-port/LCD segment pins to R port mode
LCD output register 3 (LOR3)
- 000
DTMF
Tone generator mode
register
(TGM)
0000
Refer to description of tone generator mode
register
Tone generator control
register
(TGC)
000 -
Refer to description of tone generator control
register
Bit registers Low speed on flag
(LSON)
0
Refer to description of operating modes
Watchdog timer on flag (WDON) 0
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 operating modes
Input capture status flag (ICSF)
0
Refer to description of timer D
Input capture error flag (ICEF)
0
Refer to description of timer D
Others
Miscellaneous register (MIS)
0000
Refer to description of operating modes, I/O, and
serial interface
System clock select
register
(SSR)
0000
Refer to description of operating modes,
oscillation circuits, and DTMF generator
Bank register
(V)
- - 00
Refer to description of RAM memory map
Notes: 1. The statuses of other registers and flags after MCU reset are shown in the following table.
2. X indicates invalid value. – indicates that the bit does not exist.
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