参数资料
| 型号： | NCV7240DPR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 18/26页 |
| 文件大小： | 0K |
| 描述： | IC DVR RELAY 8CH LOW SIDE 24SSOP |
| 标准包装： | 2,500 |
| 系列： | * |
NCV7240
Frame Detection Transmission Error (TER)
The NCV7240 detects the number of bits transmitted after CSB goes low. Bit counts not a multiple of 8 (16 bit minimum)
are reported as a fault on the TER bit. The transmission error information (TER) is available on SO after CSB goes low until
the first rising SCLK edge. Reference the Serial Peripheral Interface diagram (Figure 27).
In addition to unqualified bit counts setting TER = 1, the bit will also be set by
1. Coming out of UVLO.
2. Transitioning from Limp Home Mode to Global Off Mode.
3. Transitioning from Low Iq Mode to Global Off Mode.
The TER bit is cleared by sending a valid SPI command.
The TER bit is multiplexed with the SPI SO data and OR’d with the SI input (Figure 24) to allow for reporting in a serial
daisy chain configuration. A TER error bit as a ”1” automatically propagates through the serial daisy chain circuitry from the
SO output of one device to the SI input of the next. This is shown in Figures 25 and 26 first as the daisy chained devices
connected with no Transmission Error (Figure 25) and subsequently with a Transmission Error in device 1 propagating through
to device 2 (Figure 26).
SI
TER
SO
SI
SPI
SO
S
Figure 24. TER SPI Link
SI
“0”
TER
SO
“0”
SI
TER
SO
“0”
NCV7240
“0”
Device #1
NCV7240
“0”
Device #2
Figure 25. TER (no error)
SI
“0”
TER
SO
“1”
SI
TER
SO
“1”
NCV7240
“1”
Device #1
NCV7240
“0”
Device #2
Figure 26. TER Error Propagation
NOTE:
TER is valid from CSB going low until the 1 st low?to?high transition of SCLK to allow for propagation of the SI signal. Reference
Figure 27.
For proper TER status retrieval, SI should be in a low state.
http://onsemi.com
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| NCV7240GEVK | 制造商:ON Semiconductor 功能描述:PN - ANALOG AUTOMOTIVE - Bulk |
| NCV7321 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Stand Alone LIN Transceiver |
| NCV7321D10G | 功能描述:缓冲器和线路驱动器 STND-ALONE LIN TRNCV RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
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