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| 型号： | TSS463A-TERZ |
| 厂商： | Atmel Corp. |
| 英文描述： | VAN Data Link Controller with Serial Interface |
| 中文描述： | 凡数据与串行接口链路控制器 |
| 文件页数： | 52/60页 |
| 文件大小： | 816K |
| 代理商： | TSS463A-TERZ |
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52
TSS463-AA
4205B–AUTO–12/04
Activate, Idle and
Sleep Modes
Sleep, idle and activate commands are located in the Command Register (0x03). These
three commands are general commands for the TSS463AA.
Idle and Activate
Commands
After reset, the TSS463AA starts in idle mode. In this mode, the oscillator operates
(CKOUT pin active) but the circuit cannot transmit or receive anything on the VAN bus.
The TxD output (pin 12) is in tri-state mode, a pull-up resistor must be provided exter-
nally or by the line driver to avoid floating state on the VAN bus. To activate the
TSS463AA, the user must set the activate bit (ACTI) and reset the idle bit (IDLE).
Figure 35.
Idle and Activate Timings
In both cases, the idle state can be verified reading the Line Status register (0x04).
Sleep Command
If the user sets the sleep bit (SLEEP), the TSS463AA enters in sleep mode, regardless
of the values of activate and idle bits. It means that, all non-user registers are set-up to
reduce the power consumption and the internal oscillator is immediately stopped. Then,
accesses to all registers (and to the messages) via the SPI/SCI interface are impossible
and CKOUT is not provided.
To exit from this mode the user must apply either an hardware reset (external reset pin)
either an asynchronous software reset (via the SPI/SCI interface).
In a typical application (see Figure 5), using the CKOUT feature (pin 8), if the
TSS463AA is put in sleep mode, the clock provided to the microcontroller is stopped.
So, the system does not run and the only way to awake this application is an external
reset.
(max)
RxD
TxD
After Reset
Idle Mode
Activate Mode
Activate command
3 TS
8 TS
12 TS
TS: Timeslot Period
SOF
SOF
Idle Command
FCS
E
A
5 TS
4 TS
RxD
INT
Idle Mode
Activate Mode
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSS463B | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Serial VAN Data Link Controller |
| TSS463B_03 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Serial VAN Data Link Controller |
| TSS463B_04 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:VAN Data Link Controller with Serial Interface |
| TSS463B-TERA | 制造商:Temic 功能描述:LAN Node Controller, 16 Pin, SOP |
| TSS463B-TERA-9 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:VAN Data Link Controller with Serial Interface |
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