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參數(shù)資料
| 型號(hào)： | HD404638R |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī)) |
| 中文描述： | 4位單片機(jī)（4位單片微計(jì)算機(jī)） |
| 文件頁(yè)數(shù)： | 15/133頁(yè) |
| 文件大?。?/td> | 803K |
| 代理商： | HD404638R |
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HD404639R Series
15
Item
Abbr.
Initial
Value
Contents
Timer/
counters,
Serial mode register 1A
(SM1A)
0000
Refer to description of serial mode
register 1A
serial
interface
Serial mode register 1B
(SM1B)
- - X0
Refer to description of serial mode
register 1B
Serial mode register 2A
(SM2A)
0000
Refer to description of serial mode
register 2A
Serial mode register 2B
(SM2B)
- 0X0
Refer to description of serial mode
register 2B
Prescaler S
(PSS)
$000
—
Prescaler W
(PSW)
$00
—
Timer counter A
(TCA)
$00
—
Timer counter B
(TCB)
$00
—
Timer counter C
(TCC)
$00
—
Timer counter D
(TCD)
$00
—
Timer write register B
(TWBU, TWBL)
$X0
—
Timer write register C
(TWCU, TWCL) $X0
—
Timer write register D
(TWDU, TWDL) $X0
—
Octal counter
000
—
Comparator Compare control register (CCR)
0000
Refer to description of voltage comparator
Compare enable register (CER)
0000
Refer to description of voltage comparator
Bit register
Low speed on flag
(LSON)
0
Refer to description of operating modes
Watchdog timer on flag
(WDON)
0
Refer to description of timer C
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,
and oscillator circuit
System clock select
register 1 bits 2–0
(SSR12–
SSR10)
000
Refer to description of operating modes,
and oscillator circuit
System clock select
register 2
(SSR2)
0000
Bank register
(V)
- - - 0
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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| HD404638RF | 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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| HD404639RSERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HD404652 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer |
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