參數(shù)資料
型號(hào)： HD404391S
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系列微電腦（4位單片微計(jì)算機(jī)）
文件頁數(shù)： 52/100頁
文件大?。?/td> 610K
代理商： HD404391S
HD404344R Series/HD404394 Series
52
Using Timer B Registers
Timer B sets the operation and the read/write data according to the following registers.
Timer mode register B1 (TMB1: $009)
Timer mode register B2 (TMB2: $026)
Timer write register B
(TWBL: $00A, TWBU: $00B)
Timer read register B
(TRBL: $00A, TRBU: $00B)
Port mode register B (PMRB: $024)
Timer mode register B1 (TMB1: $009): Four-bit write-only register that selects the free-running/reload
timer, input clock, and prescaler division ratio, as shown in figure 27. It is reset to $0 by an MCU reset.
Data written to timer mode register B1 is valid after two instruction cycles. The initial setting of timer
B, which is set by writing to timer write register B (TWBL: $00A, TWBU: $00B), should be
programmed only after a mode change has been effective.
Bit
Initial value
Read/Write
Bit name
3
0
W
TMB13
2
0
W
TMB12
0
0
W
TMB10
1
0
W
TMB11
Timer mode register B1 (TMB1: $009)
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2048t
cyc
512t
cyc
128t
cyc
32t
cyc
8t
cyc
4t
cyc
2t
cyc
D
0
/
INT
0
/EVNB (external event
input)
TMB12
TM
TMB11
Input Clock Period and Input
TMB13
0
1
Free-Running/Reload
Timer Selection
Free-running timer
Reload timer
Figure 27 Timer Mode Register B1 (TMB1)
相關(guān)PDF資料
PDF描述
HD404392S 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī))
HD404341R 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī))
HD404394S 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī))
HD404612 4-Bit Single-Chip Microcomputer
HD404612FS 4-Bit Single-Chip Microcomputer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404392 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
HD404392FP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit microcomputers
HD404392FT 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit microcomputers
HD404392S 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit microcomputers
HD404394 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-bit microcomputer has an A/D converter
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