| 전자부품 데이터시트 검색엔진 |
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SIO1007 데이터시트(PDF) 62 Page - Microchip Technology |
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SIO1007 데이터시트(HTML) 62 Page - Microchip Technology |
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62 / 108 page ![]() SIO1007 DS00002020A-page 62 2005 - 2015 Microchip Technology Inc. 18.4.5 CR04 CR04 can only be accessed in the configuration state and after the CSR has been initialized to 04H. Note 18-5 MIDI Support: The Musical Instrumental Digital Interface (MIDI) operates at 31.25Kbaud (+/-1%). 18.4.6 CR05 Register CR05 is reserved. The default value of this register after power up is 00H. 18.4.7 CR06 Register CR06 is reserved. The default value of this register after power up is 00H. 18.4.8 CR07 CR07 can only be accessed in the configuration state and after the CSR has been initialized to 07H. CR07 controls auto power management. 18.4.9 CR08 Register CR08 is reserved. The default value of this register after power up is 00H. TABLE 18-7: CR04 UART Miscellaneous Type: R/W Default: 0X00 ON VCC POR BIT NO. BIT NAME DESCRIPTION 3:0 Read Only. A read returns “0”. 4MIDI 1 (Note 18-5) Serial Clock Select Port 1: A low level on this bit disables MIDI support (default). A high level on this bit enables MIDI support. 5MIDI 2 (Note 18-5) Serial Clock Select Port 2: A low level on this bit disables MIDI support (default). A high level on this bit enables MIDI support. 7:6 Read Only. A read returns “0”. TABLE 18-8: CR07 Auto Power Management and Boot Drive Select Type: R/W Default: 0X00 ON VCC POR; BITS[6:5] = 00 ON PCI RESET BIT NO. BIT NAME DESCRIPTION 4:0 Reserved Read Only. A read returns 0. 5 UART 2 Enable This bit controls the AUTOPOWER DOWN feature of the UART2. The function is: 0 = Auto powerdown disabled (default) 1 = Auto powerdown enabled This bit is reset to the default state by POR or a hardware reset. 6 UART 1 Enable This bit controls the AUTOPOWER DOWN feature of the UART1. The function is: 0 = Auto powerdown disabled (default) 1 = Auto powerdown enabled This bit is reset to the default state by POR or a hardware reset. 7 Reserved Read Only. A read returns 0. |
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