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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMP93CS44 датащи(PDF) 149 Page - Toshiba Semiconductor |
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TMP93CS44 датащи(HTML) 149 Page - Toshiba Semiconductor |
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149 / 224 page  TMP93CS44/S45 2004-02-10 93CS44-147 3.10 Serial Bus Interface (SBI) The TMP93CS44/S45 has a 1-channel serial bus interface which employs a clocked synchronous 8-bit serial bus interface and an I2C bus. The serial bus interface is connected to an external device through P33 (SDA) and P34 (SCL) in the I2C bus mode; and through P32 (SCK), P33 (SO), and P34 (SI) in the clocked synchronous 8-bit SIO mode. TMP93CS44/S45 has no an arbitration function which is necessary when two or more master devices scramble for the bus control. In master mode, other devices which are connected on the same bus need be slave devices (Single master). Setting of every pins is as follows. ODE<ODE34:33> P3CR<P34C, P33C, P32C> P3FC<P32M, P34F, P33F, P32F> I 2C Bus Mode 11 11X X110 Clock Synchronous 8-Bit SIO Mode XX 011 010 1111 X: Don’t care 3.10.1 Configuration Figure 3.10.1 Serial Bus Interface (SBI) P32 (SCK/ HWR ) SIO clock control Divider I 2C bus clock synchronous + Control SBICR2/ SBISR SCL SCK Input/ output control SO SI SDA SBIDBR SBICR1 SBICR3 Shift register Transfer control circuit Noise canceller fc/4 Noise canceller I 2C bus data control SIO data control INTS2 interrupt request P33 (SO/SDA) P34 (SI/SCL) SBI control register 2/ SBI status register I 2C bus address register SBI data buffer register SBI control register 1 SBI control register 3 I2CAR |
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