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參數(shù)資料
| 型號(hào)： | HD4043612 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-bit HMCS400-Series microcomputer(4位單片微計(jì)算機(jī)) |
| 中文描述： | 4位HMCS400系列微機(jī)（4位單片微計(jì)算機(jī)） |
| 文件頁(yè)數(shù)： | 61/115頁(yè) |
| 文件大?。?/td> | 710K |
| 代理商： | HD4043612 |
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HD404369 Series
61
Timer read register B (TRBL: $00A, TRBU: $00B): Read-only register consisting of the lower digit
(TRBL) and the upper digit (TRBU) that holds the count of the timer B upper digit (figures 44 and 45).
The upper digit (TRBU) must be read first. At this time, the count of the timer B upper digit is obtained,
and the count of the timer B lower digit is latched to the lower digit (TRBL). After this, by reading
TRBL, the count of timer B when TRBU is read can be obtained.
When the input capture timer operation is selected and if the count of timer B is read after a trigger is
input, either the lower or upper digit can be read first.
Port mode register B (PMRB: $024): Write-only register that selects D
2
/EVNB pin function as shown in
figure 46. It is reset to $0 by MCU reset.
Bit
Initial value
Read/Write
Bit name
3
—
—
Not used
2
0
W
TMB22
0
0
W
TMB20
1
0
W
TMB21
Timer mode register B2 (TMB2: $026)
TMB21
0
1
TMB20
0
1
0
1
EVNB Edge Detection Selection
No detection
Falling edge detection
Rising edge detection
Rising and falling edge detection
TMB22
0
1
Free-Running/Reload and Input Capture Selection
Free-running/reload
Input capture
Figure 41 Timer Mode Register B2 (TMB2)
Bit
Initial value
Read/Write
Bit name
3
0
W
TWBL3
2
0
W
TWBL2
0
0
W
TWBL0
1
0
W
TWBL1
Timer write register B (lower digit) (TWBL: $00A)
Figure 42 Timer Write Register B Lower Digit (TWBL)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD404369 | 4-bit HMCS400-Series microcomputer |
| HD404369H | 4-bit HMCS400-Series microcomputer |
| HD404369S | 4-bit HMCS400-Series microcomputer |
| HD404369F | 4-bit HMCS400-Series microcomputer |
| HD404372 | Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計(jì)算機(jī)) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD4043612F | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer |
| HD4043612H | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:microcomputer has an A/D converter |
| HD4043612S | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer |
| HD404364 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:HMCS43XXFamily User＇s Manual/Device |
| HD404364F | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:microcomputer has an A/D converter |
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