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User’s Manual U15798EJ2V0UD
CHAPTER 15 SERIAL INTERFACE CSI1
(2) Setting of port
<1> Transmit/receive mode
(a) To use externally input clock as system clock (SCK1)
Bit 3 (PM23) of port mode register 2: Set to 1
Bit 4 (PM24) of port mode register 2: Cleared to 0
Bit 5 (PM25) of port mode register 2: Set to 1
Bit 4 (P24) of port 2: Cleared to 0
(b) To use internal clock as system clock (SCK1)
Bit 3 (PM23) of port mode register 2: Set to 1
Bit 4 (PM24) of port mode register 2: Cleared to 0
Bit 5 (PM25) of port mode register 2: Cleared to 0
Bit 4 (P24) of port 2: Cleared to 0
Bit 5 (P25) of port 2: Cleared to 0
<2> Receive mode (with transmission disabled)
(a) To use externally input clock as system clock (SCK1)
Bit 3 (PM23) of port mode register 2: Set to 1
Bit 5 (PM25) of port mode register 2: Set to 1
(b) To use internal clock as system clock (SCK1)
Bit 3 (PM23) of port mode register 2: Set to 1
Bit 5 (PM25) of port mode register 2: Cleared to 0
Bit 5 (P25) of port 2: Cleared to 0
Remark
The transmit/receive mode or receive mode is selected by using bit 6 (TRMD1) of serial operation mode
register 1 (CSIM1).
Содержание mPD780344 Series
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