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ISO8200BQ датащи(PDF) 18 Page - STMicroelectronics |
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ISO8200BQ датащи(HTML) 18 Page - STMicroelectronics |
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18 / 37 page ![]() Functional description ISO8200BQ 18/37 DocID027303 Rev 4 6.2 Direct control mode (DCM) When SYNC and LOAD inputs are driven by the same signal, the device operates in direct control mode (DCM). In DCM the SYNC / LOAD signal operates as an active low input enable: when the signal is high, the current output configuration is kept regardless the input values when the signal is low, each channel input directly drives the respective output This operation mode can also be set shorting both signals to the digital ground; in this case the channel outputs are always directly driven by the inputs except when OUT_EN is low (outputs disabled). Table 13: Interface signal operation in direct control mode SYNC / LOAD OUT_EN Device behavior Don’t care Low (1) The outputs are disabled (turned off) High High The outputs are left unchanged Low High The channel inputs drive the outputs Notes: (1)The outputs are turned off on OUT_EN falling edge and they are kept disabled as long as it is low. Figure 9: Direct control mode IC configuration |
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