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TMP93CS44 Datasheet(PDF) 163 Page - Toshiba Semiconductor |
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TMP93CS44 Datasheet(HTML) 163 Page - Toshiba Semiconductor |
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163 / 224 page ![]() TMP93CS44/S45 2004-02-10 93CS44-161 In order to terminate the transmitting data to the transmitter, set <ACK> to 0 before reading data which is 1 word before the last data to be received. The last data does not generate a clock pulse for the acknowledge signal. After the data is transmitted and an interrupt request has occurred, set <BC2:0> to 001 and read the data. The TMP93CS44/S45 generates a clock pulse for a 1-bit data transfer. Since the master device is a receiver, the SDA line of the bus keeps the high level. The transmitter receives the high-level signal as the ACK signal. The receiver indicates to the transmitter that data transfer is complete. After 1-bit data is received and the interrupt request has occurred, the TMP93CS44/S45 generates the stop condition and terminates data transfer. Figure 3.10.15 Termination of Data Transfer in Master Receiver Mode 1 2 3 456781 D7 D6 D5 D4 D3 D2 D1 D0 Acknowledge signal sent to a transmitter SCL pin SDA pin <PIN> INTS2 interrupt request "001" → <BC2:0> Read SBIDBR “0” → <ACK> Read SBIDBR Output of master Output of slave |
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