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參數(shù)資料
型號： MC68HC11K4VFU3
廠商： MOTOROLA INC
元件分類： 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
文件頁數(shù)： 58/80頁
文件大小： 420K
代理商： MC68HC11K4VFU3
MOTOROLA
58
M68HC11 K Series
MC68HC11KTS/D
SPR[2:0] —SPI Clock Rate Selects (SPR2 is located in OPT2 register)
SPIF —SPI Transfer Complete Flag
This flag is set when an SPI transfer is complete (after eight SCK cycles in a data transfer). Clear this
flag by reading SPSR, then access SPDR.
0 = No SPI transfer complete or SPI transfer still in progress
1 = SPI transfer complete
WCOL —Write Collision Error Flag
This flag is set if the MCU tries to write data into SPDR while an SPI data transfer is in progress. Clear
this flag by reading SPSR, then access SPDR.
0 = No write collision error
1 = SPDR written while SPI transfer in progress
Bit 5 —Not implemented
Always reads zero
MODF —Mode Fault (Mode fault terminates SPI operation)
Set when SS is pulled low while MSTR = 1. Cleared by SPSR read followed by SPCR write.
0 = No mode fault error
1 = SS pulled low in master mode
Bits [3:0] —Not implemented
Always read zero
SPI is double buffered in, single buffered out.
Table 8 SPI Clock Rate Selects
SPR[2:0]
Divide
E Clock By
2
4
16
32
8
16
64
128
Frequency at
E = 2 MHz (Baud)
1.0 MHz
500 kHz
125 kHz
62.5 kHz
250 kHz
125 kHz
31.25 kHz
15.625 kHz
Frequency at
E = 3 MHz (Baud)
3.0 MHz
750 kHz
187.5 kHz
93.75 kHz
375 kHz
187.5 kHz
46.875 kHz
23.438 kHz
Frequency at
E = 4 MHz (Baud)
4.0 MHz
1.0 MHz
250 kHz
125 kHz
500 kHz
250 kHz
62.5 kHz
31.25 kHz
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
SPSR
—Serial Peripheral Status Register
$0029
Bit 7
6
5
4
3
2
1
Bit 0
SPIF
WCOL
—
MODF
—
—
—
—
RESET:
0
0
0
0
0
0
0
0
SPDR
—SPI Data
$002A
Bit 7
6
5
4
3
2
1
Bit 0
Bit 7
6
5
4
3
2
1
Bit 0
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
MC68HC11K4VFU4 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC11KA0 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:CONFIG Register Programming for EEPROM-based M68HC11 Microcontrollers
MC68HC11KA0CFN2 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
MC68HC11KA0CFN3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
MC68HC11KA0CFN4 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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