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COP87L88EB 数据表(PDF) 45 Page - National Semiconductor (TI) |
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COP87L88EB 数据表(HTML) 45 Page - National Semiconductor (TI) |
45 / 72 page Serial Peripheral Interface (Continued) The SPIU Control Register TABLE 13. SPI Control (SPICNTL) (0098) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 SRIE STIE SESSEN SPIMOD[1:0] SCE SPIEN SLOOP 00 0 00000 B7 SRIE SPI Receive Interrupt Enable 0 — disable receive interrupt 0 — enable receive interrupt B6 STIE SPI Transmit buffer Interrupt Enable 0 — disable transmit buffer interrupt 0 — enable transmit buffer interrupt B5 SESSEN SPI SS Expander (ESS) enable 0 — The detection of the ESS programming mode is disabled, i.e., the value of MOSI at the falling edge of SS is “don’t care”. 1 — ESS programming mode detection is enabled, i.e., if the condition “MOSI=0atthe falling edge of SS” occurs, the SS-Expander is selected and bits [7:0] of the first transmitted byte determine the state of the N-port (ESS[7:0]). ESS[7:0] will go 1 at the positive edge of SS. DS100044-40 FIGURE 38. SPI Block Diagram www.national.com 45 |
类似零件编号 - COP87L88EB |
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类似说明 - COP87L88EB |
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