參數(shù)資料
型號: HD4074459
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))
文件頁數(shù): 50/120頁
文件大?。?/td> 692K
代理商: HD4074459
HD404459 Series
50
Pins R3
0
–R3
2
are multiplexed with peripheral pins TOB, TOC, and TOD, respectively. The peripheral
function modes of these pins are selected by bits 0 and 1 (TMB20, TMB21) of timer mode register B2
(TMB2: $013), bits 0–2 (TMC20–TMC22) of timer mode register C2 (TMC2: $014), and bits 0–3
(TMD20–TMD23) of timer mode register D2 (TMD2: $015) (figures 32, 33, and 34).
Bit
Initial value
Read/Write
Bit name
3
Not used
2
Not used
0
0
R/W
TMB20
1
0
R/W
TMB21
Timer mode register B2 (TMB2: $013)
TMB21
0
1
TMB20
0
1
0
1
R3
0
/TOB mode selection
R3
0
TOB
TOB
TOB
R3
0
port
Toggle output
0 output
1 output
Figure 32 Timer Mode Register B2 (TMB2)
Bit
Initial value
Read/Write
Bit name
3
Not used
2
0
R/W
TMC22
0
0
R/W
TMC20
1
0
R/W
TMC21
Timer mode register C2 (TMC2: $014)
TMC20
0
1
0
1
0
1
0
1
R3
TOC
TOC
TOC
TOC
TOC
TOC
TOC
1
R3
1
/TOC mode selection
TMC21
0
1
0
1
TMC22
0
1
R3
1
port
Toggle output
0 output
1 output
Not used
Not used
Not used
PWM output
Figure 33 Timer Mode Register C2 (TMC2)
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