參數(shù)資料
型號(hào): EM78P451SWM
廠商: ELAN Microelctronics Corp .
英文描述: 8-Bit Microcontroller with OTP ROM
中文描述: 8位微控制器的OTP ROM的
文件頁數(shù): 27/54頁
文件大?。?/td> 421K
代理商: EM78P451SWM
EM78P451S
8-Bit Microcontroller with OTP ROM
Product Specification (V1.0) 06.01.2004
(This specification is subject to change without further notice)
23
Bit 2~0 (S BRS):
SPI Baud Rate Select Bits
SBRS2 (Bit 2)
SBRS1 (Bit 1)
0
0
0
0
1
1
1
1
SBRS0 (Bit 0)
0
1
0
1
0
1
0
1
Mode
Master
Master
Master
Master
Master
Slave
Slave
Master
Baud Rate
Fsco/2
Fsco/4
Fsco/8
Fsco/16
Fsco/32
/SS enable
/SS disable
TMR1/2
0
0
1
1
0
0
1
1
NOTE
In master mode, /SS is disable.
INTC:
Interrupt control register
Bit 3 (TM1IE)
TM1IE interrupt enable bit.
0: disable TM1IE interrupt
1: enable TM1IE interrupt
Bit 2 (SPIIE)
SPI interrupt enable bit.
0: disable SPI interrupt
1: enable SPI interrupt
Bit 1 (EXIE)
EXIF interrupt enable bit.
0: disable EXIF interrupt
1: enable EXIF interrupt
Bit 0 (TCIE)
TCIF interrupt enable bit.
0: disable TCIF interrupt
1: enable TCIF interrupt
Table 3 Related Status/Data Registers of the SPI Mode
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0X0A
SPIRB/RA
SRB7
SRB6
SRB5
SRB4
SRB3
SRB2
SRB1
SRB0
0x0B
SPIWB/RB
SWB7
SWB6
SWB5
SWB4
SWB3
SWB2
SWB1
SWB0
0x0C
SPIS/RC
0
0
0
TM1IF
OD3
OD4
RBFIF
RBF
SPIRB:
SPI Read Buffer. Once the serial data is received completely, it will load to
SPIRB from SPISR. The RBF bit and the RBFIF bit in the SPIS register will be
set also.
SPIWB:
SPI Write Buffer. As a transmitted data is loaded, the SPIS register stands by
and start to shift the data when sensing SCK edge with SSE set to “1”.
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