參數(shù)資料
型號(hào): EM78P451
英文描述: Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Protection Features; Temperature Range: 0&degC to 70°C; Package: 16-QFN
中文描述: 8位微控制器的通用產(chǎn)品[英文]
文件頁數(shù): 14/52頁
文件大?。?/td> 1287K
代理商: EM78P451
EM78P451
OTP ROM
This specification is subject to change without prior notice.
2002/03/01
21
2. SPI Function Description
Read
Write
SPIR
reg
SPIS reg
shift right
bit 0
bit 7
Prescaler
4, 8, 16, 32, 64
SPIW reg
P92/SDI
P93/SDO
P95/ /SS
P94/SCK
/ SS
Edge
Select
Edge
Select
SPIC bit6
Tsco
TMR1/2
SBR2~SBR0
8
Clock Select
2
Noise
Filter
SPIC reg
SBR0 ~SBR2
RBF
RBFI
Buffer Full Detector
Set to 1
SE
Fig. 11 SPI Block Diagram
SPI
Mode
Select
Register
8-1
MUX
2 1 0
SPIC
SPI
Write
Register
(0X0B)
7~0
SPIWB
SPI Shift Buffer
SPI
Read
Register
(0X0A)
DATA BUS
FOSC
1 0
T1CON
6 4
SPIC
1 0
4
SPIS
SPIC
SPI
7
2
INTC
7~0
SPIRB
SDO
SDI
/SS
Shift Clock
Fig. 12 The Function Block Diagram of SPI Transmission
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