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參數(shù)資料
| 型號(hào)： | HD4074618H |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-Bit Single-Chip Microcomputer |
| 中文描述： | 4位單片機(jī) |
| 文件頁數(shù)： | 16/89頁 |
| 文件大小： | 358K |
| 代理商： | HD4074618H |
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HD404618 Series
16
Table 1 Initial Values After MCU Reset (cont)
Item
Abbr.
Initial Value Contents
Timer/
counters, serial
interface
Timer counter B
(TCB)
$00
—
Timer counter C
(TCC)
$00
—
Timer load register B
(TLR)
$00
—
Timer load register C
(TCR)
$00
—
Octal counter
000
—
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
DTMF generator
Tone generator control
register
(TGC)
000
Refer to description of tone
generator control register
Tone generator mode
register
(TGM)
0000
Refer to description of generator
mode 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
Tone generator speed
flag
(TGSP)
0
Refer to description of DTMF
generation circuit
Direct transfer on flag
(DTON)
0
Refer to description of operating
modes
Miscellaneous
register
(MIS)
000
—
Item
Abbr.
Status after Cancellation of
Stop Mode by MCU Reset
Status after Cancellation of All
Other Modes by MCU Reset
Carry flag
(CA)
Pre-MCU-reset values are not
guaranteed; values must be
initialized by program
Pre-MCU-reset values are not
guaranteed; values must be
initialized by program
Accumulator
(A)
B register
(B)
W register
(W)
X/SPX register
(X/SPX)
Y/SPY register
(Y/SPY)
Serial data register
(SR)
RAM
Pre-MCU-reset (pre-STOP-
instruction) values are retained
相關(guān)PDF資料 |
PDF描述 |
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| HD4074618TF | 4-Bit Single-Chip Microcomputer |
| HD4046212R | AS Microcomputer Incorporating a DTMF Generator Circuit(微計(jì)算機(jī)帶雙音多頻發(fā)生器電路) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD4074618TF | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer |
| HD4074629 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:AS Microcomputer Incorporating a DTMF Generator Circuit |
| HD4074629F | 制造商:Renesas Electronics Corporation 功能描述: |
| HD4074629FS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
| HD4074629H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
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