參數(shù)資料
型號: TC9325F
廠商: Toshiba Corporation
英文描述: Single-Chip DTS Microcontroller (DTS-20)
中文描述: 單芯片微丘(丘- 20)
文件頁數(shù): 74/101頁
文件大?。?/td> 1802K
代理商: TC9325F
TC9325F
2002-05-14
74
4)
MSB Bit, 8BIT Bit, Serial Data Port
The MSB bit controls the sequence of the serial input/output data. Setting MSB to 0 outputs the
serial data from the least significant bit (LSB: SO0 to SO7) and inputs serial data from the least
significant bit (LSB: SI0 to SI7).
Setting MSB to 1 outputs the serial data from the most significant bit (MSB: SO7 to SO0) and
inputs serial data from the most significant bit (MSB: SI7 to SI0).
The 8BIT bit selects the length of the serial data. Setting this bit to 0 selects 4-bit data; setting the
bit to 1 selects 8-bit data. When 4-bit data is selected, the lower four bits (SO0 to SO3, SI0 to SI3) of
the serial data are used.
The serial output data of the serial data port (SO0 to SO7) are transferred to the shift register at
the start of serial operations, then output to the serial interface. Serial input data (SI0 to SI7) are
loaded from the shift register.
5)
SCKO Bit
The SCKO bit sets the serial clock (SCK3/SCK4) input/output. When using the TC9325F as the
master controller, set SCKO to 1 to output the serial clock. When TC9325F is the slave, set SCKO to 0
to input the serial clock.
SCK3 pin
STA bit set to 1
SO3 pin
SI3 pin
BUSY
Interrupt
1
2
3
4
SO0
SO1
SO2
SO3
5
6
7
8
SO4
SO5
SO6
SO7
Serial Operation When 8-Bit Data (8BIT
=
1), LSB Output (MSB
=
0) Set
SI0
SI1
SI2
SI3
SI4
SI5
SI6
SI7
SO3/SO4
SO3/SO4
STA bit set to 1
SCK3 pin
SO3 pin
SI3 pin
BUSY
Interrupt
1
2
3
4
SO7
SO6
SO5
SO4
5
6
7
8
SO3
SO2
SO1
SO0
Serial Operation When 8-Bit Data (8BIT
=
1), MSB Output (MSB
=
1) Set
SI7
SI6
SI5
SI4
SI3
SI2
SI1
SI0
SO3/SO4
SO3/SO4
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