參數(shù)資料
型號(hào): MC68HC11K4VFU3
廠(chǎng)商: MOTOROLA INC
元件分類(lèi): 微控制器/微處理器
英文描述: Technical Summary 8-Bit Microcontroller
中文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁(yè)數(shù): 52/80頁(yè)
文件大小: 420K
代理商: MC68HC11K4VFU3
MOTOROLA
52
M68HC11 K Series
MC68HC11KTS/D
BTST —Baud Register Test (TEST)
Factory test only
BSPL —Baud Rate Counter Split (TEST)
Factory test only
Bit 5 —Not implemented
Always reads zero
SBR[12:0] —SCI Baud Rate Selects
Use the following formula to calculate SCI baud rate. Refer to the table of baud rate control values for
example rates.
SCI baud rate = EXTAL
÷
[16
(2
BR)]
Where BR is the contents of SCBDH/L (BR = 1, 2, 3 ... 8191).
BR = 0 disables the baud rate generator.
SCBDH/L
—SCI Baud Rate Control High/Low
$0070, $0071
Bit 7
6
5
4
3
2
1
Bit 0
$0070
BTST
BSPL
SBR12
SBR11
SBR10
SBR9
SBR8
High
RESET:
0
0
0
0
0
0
0
0
$0071
SBR7
SBR6
SBR5
SBR4
SBR3
SBR2
SBR1
SBR0
Low
RESET:
0
0
0
0
0
1
0
0
Table 7 SCI Baud Rate Control Values
Target
Baud
Rate
110
150
300
600
1200
2400
4800
9600
19.2 K
38.4 K
Crystal Frequency (EXTAL)
12 MHz
Dec Value
3409
2500
1250
625
312
156
78
39
20
8 MHz
16 MHz
Dec Value
2272
1666
833
416
208
104
52
26
13
Hex Value
$08E0
$0682
$0341
$01A0
$00D0
$0068
$0034
$001A
$000D
Hex Value
$0D51
$09C4
$04E2
$0271
$0138
$009C
$004E
$0027
$0014
Dec Value
4545
3333
1666
833
416
208
104
52
26
13
Hex Value
$11C1
$0D05
$0682
$0341
$01A0
$00D0
$0068
$0034
$001A
$000D
SCCR1
—SCI Control 1
$0072
Bit 7
6
5
4
3
2
1
Bit 0
LOOPS
WOMS
M
WAKE
ILT
PE
PT
RESET:
0
1
0
0
0
0
0
0
Bootstrap
Mode
0
0
0
0
0
0
0
0
Other Modes
相關(guān)PDF資料
PDF描述
MC68HC11K1VFU4 8-BIT MICROCONTROLLER
MC68HC11K4VFU4 Technical Summary 8-Bit Microcontroller
MC68HC11K4VFN2 Technical Summary 8-Bit Microcontroller
MC68HC11K1CFN2 8-BIT MICROCONTROLLER
MC68HC11K1MFN2 8-BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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