參數(shù)資料
型號(hào)： HD40A4354S
廠商： Hitachi,Ltd.
英文描述： 4-bit HMCS400-Series microcomputer
中文描述： 4位HMCS400系列微機(jī)
文件頁(yè)數(shù)： 50/100頁(yè)
文件大?。?/td> 398K
代理商： HD40A4354S
HD404358 Series
50
Timer mode register B2 (TMB2: $026): Three-bit write-only register that selects the detection edge of
signals input to pin EVNB and input capture operation as shown in figure 34. 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 34 Timer Mode Register B2 (TMB2)
Timer write register B (TWBL: $00A, TWBU: $00B): Write-only register consisting of the lower digit
(TWBL) and the upper digit (TWBU). The lower digit is reset to $0 by MCU reset, but the upper digit
value is invalid (figures 35 and 36).
Timer B is initialized by writing to timer write register B (TWBL: $00A, TWBU: $00B). In this case,
the lower digit (TWBL) must be written to first, but writing only to the lower digit does not change the
timer B value. Timer B is initialized to the value in timer write register B at the same time the upper
digit (TWBU) is written to. When timer write register B is written to again and if the lower digit value
needs no change, writing only to the upper digit initializes timer B.
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 35 Timer Write Register B Lower Digit (TWBL)
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD40A4356 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer has an A/D converter,
HD40A4356H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer
HD40A4356R 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HMCS43XXFamily User＇s Manual/Device
HD40A4356S 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer
HD40A4358 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer has an A/D converter,
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