參數(shù)資料
型號: MC68HC705G4
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 1 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 108/128頁
文件大?。?/td> 290K
代理商: MC68HC705G4
Page 70
MOTOROLA
Section 7: SERIAL PERIPHERAL INTERFACE (SPI)
MC68HC05G3 (705G4) Specification Rev. 1.1
7.4.1
SERIAL PERIPHERAL CONTROL REGISTER (SPCR
x)
READ:
anytime
WRITE:
should not write during transmission
SPIE
x
SPI Interrupt Enable
If the serial peripheral interrupt enable (SPIE
x) bit is set, interrupt is generated
when SPIF
x in the SPSRx is set and the I bit (interrupt mask bit) in the condition
code register (CCR) is clear.
In stop mode, serial peripheral interrupt request is accepted only in the slave
mode. Interrupt in the master mode will be pending until stop mode is exited.
STOP instruction does not change SPIF
x or SPIEx.
0 - disable SPI interrupt
1 - enable SPI interrupt
SPE
x
SPI Enable
When the serial peripheral interface enable (SPE
x) bit is set, the SPI system is
enabled and connected to the port C/port G pins.
Clearing SPE
x bit initializes all control logic in the SPIx modules and disconnects
the SPI
x from port C/port G pins.
This bit is cleared at reset.
0 - disable SPI
1 - enable SPI
SPIE1
$000A
SPE1 DORD1 MSTR1
0
SPR1
SPCR1
B7
B6
B5
B4
B3
B2
B1
B0
00000000
RESET:
SPIE2
$000D
SPE2 DORD2 MSTR2
0
SPR2
SPCR2
B7
B6
B5
B4
B3
B2
B1
B0
00000000
RESET:
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC705J1A 制造商:Freescale Semiconductor 功能描述:
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MC68HC705J2CDW 制造商:Motorola Inc 功能描述: 制造商:Motorola Inc 功能描述:MicroController, 8-Bit, 20 Pin, Plastic, SOP