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TMP93CS44 датащи(PDF) 167 Page - Toshiba Semiconductor |
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TMP93CS44 датащи(HTML) 167 Page - Toshiba Semiconductor |
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167 / 224 page ![]() TMP93CS44/S45 2004-02-10 93CS44-165 3.10.6 Clock Synchronous 8-Bit SIO Mode Control The following registers are used for control and operation status monitoring when using the serial bus interface (SBI) in the clock synchronous 8-bit SIO mode. Serial Bus Interface Control Register 1 7 6 5 4 3 2 1 0 Bit symbol SIOS SIOINH SIOM1 SIOM0 SCK2 SCK1 SCK0 SBICR1 (004BH) Read/Write W W After reset 0 0 0 0 0 0 0 Prohibit read- modify- write Function Indication transfer start/stop 0: Stop 1: Start Continue/ abort transfer 0: Continue 1: Abort Transfer mode select 00: 8-bit transmit 01: (Reserved) 10: 8-bit transmit/receive 11: 8-bit receive Serial clock selection Note: Set <SIO> to 0 and <SIOINH> to 1 when setting the transfer mode and the serial clock. Serial Bus Interface Data Buffer Register 7 6 5 4 3 2 1 0 Bit symbol DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 SBIDBR (004CH) Read/Write R (Receive)/W (Send) After reset Undefined Prohibit read- modify- write Figure 3.10.18 Registers for SIO Mode (1/2) Serial clock selection 000 fc/2 5 (625 kHz) 001 fc/2 6 (312.5 kHz) 010 fc/2 7 (156.3 kHz) 011 fc/2 8 ( 78.13 kHz) 100 fc/2 9 ( 39.06 kHz) 101 fc/2 10 ( 19.53 kHz) 110 fc/2 11 ( 9.77 kHz) 111 External clock (Input from SCK pin) Transfer mode select 00 8-bit transmit mode 01 Reserved 10 8-bit transmit/receive mode 11 8-bit receive mode System clock: fc Clock gear: fc/1 fc = 20 MHz (Output on SCK PIN) Continue/abort transfer 0 Continue transfer 1 Abort transfer (Automatically cleared after abort) Indicate transfer start/stop 0 Stop 1Start |
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