Toshiba TC32306FTG, Руководство пользователя, Страница: 34 / 102

TC32306FTG
2015-10-01 34
Table 6-37 Single Read/Write and Burst Read/Write
Function Explanation
Single Read/Write
To read and write only specified address register data. It is available for accessing to
single or non-continuous address registers.
Burst Read/Write
To read and write in order from the specified address register data.
It is available for accessing to continuous address registers. To specify the start
address only causes to shorten the read/write time.
6.7.3 SPI Control Data Format
SPI control data format of TC32306FTG is constructed by instruction (8 bit), address (8 bit) and data
(8 bit).
Fig 6-14 SPI Control Data Format
In SPI Mode, Single / Burst, Write / Read and Confirmation of written data are set by instruction data.
Enter each SPI control data sequentially from most significant bit (MSB).
Table 6-38 Type of SPI Instructions and Settings
SPI Control I7 I6 I5 I4 I3 I2 I1 I0
Single Read/Write
Write 0 0 0 0 X 1 1 0
Read 0 0 0 0 X 1 1 1
Burst Read/Write
Write 0 0 0 0 X 0 1 0
Read 0 0 0 0 X 0 1 1
Confirmation of written data 0 0 0 0 X 1 0 1
Stop SPI Function Except above data
* x: 0 or 1
* Stop SPI Function: After entering SPI instruction data, subsequent data input will be invalid. To enable the
input data again, enter SPI instruction data correctly after CS pin is set to be "H" once.
D0 D1 D2 D3 D4 D5 D6 D7
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7
Instruction
(8bit)
Address
(8bit)
Read Data
(8bit)
I7 I6 I5 I4 I3 I2 I2 I0
MSB MSB MSB LSB LSB LSB