參數(shù)資料
型號(hào)： TSS463C
廠商： Atmel Corp.
英文描述： VAN Data Link Controller with Serial Interface
中文描述： 凡數(shù)據(jù)與串行接口鏈路控制器
文件頁數(shù)： 10/59頁
文件大?。?/td> 492K
代理商： TSS463C
10
TSS463C
7601B–AUTO–02/06
The Slave Select signal must not toggle between each transmitted byte and therefore,
should be left at a low level during the whole SCI frame. SS must be asserted to inactive
high level at the end of the SCI frame.
If SS is not asserted, MISO pin is in high impedance state and incoming data is not
driven to the serial data register.
SCI Protocol
Same as the SPI protocol described before except for data arranging (LSB first and
MSB last).
Only 8 bits are monitored by the TSS463C and master must monitor the 8 first bits
too (9
th
bit always equal to 1).
SCI Control Byte
Same as the SPI control byte.
Clocks and Speed
Considerations
SCLK and XTAL Clocks
The SPI/SCI speed rate is given by the CPU producing SCLK. XTAL clock controls the
speed rate on the VAN bus. The two clocks are asynchronous but a minimum SPI/SCI
interframe spacing must be apply according to XTAL clock.
Intel and Motorola SPI Modes
Within an SPI byte, the maximum speed allowed on the MOSI line is 4 Mbits/s.
For example, when using a 1 MHz oscillator (Sufficient to provide 62.5 kTS/s on the
VAN bus) the minimum inter-character delay is 12
μ
s (12 oscillator periods). Speed con-
siderations are detailed in Figure 7.
Figure 7.
SPI Speed Considerations
SCI Mode
Within an SCI 9-bits data, the maximum speed allowed on the MOSI line is 125 Kbits/s.
When using a 1 MHz oscillator, the data transfer speed and the minimum delay time
between SCI bytes are shown in Figure 8.
SS
s at 1 MHz)
(4 s at 1 MHz)
(15 s at 1 MHz)
12 Xtal Min
(12 s at 1 MHz)
8 Xtal Min
(8
15 Xtal Min
4 Xtal Min
MOSI
Address
Control
SCLK
4 Mbits/s Max for SCLK
Data
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSS463C-TERA-9 功能描述:網(wǎng)絡(luò)控制器與處理器 IC ASICS RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
TSS463C-TERZ-9 制造商:Atmel Corporation 功能描述:
TSS463C-TESZ-9 功能描述:網(wǎng)絡(luò)控制器與處理器 IC ASICS RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
TSS463D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC
TSS463R 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC
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