Panasonic MN103001G/F01K 用户手册

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页码 466
Serial Interface
13-11
■ 
Clock synchronous mode timing
<Transmission>
• One-byte transfer with 8-bit data length and parity on
Fig. 13-2-3   Timing Chart (1)
• Two-byte transfer with 8-bit data length and parity off
Fig. 13-2-4   Timing Chart (2)
When transmission is enabled, transmission starts when data is written to SC0TXB.
Continuous transmission is possible by writing data to SC0TXB again while transmission is in progress.
During a 7-bit transfer, the MSB (bit 7) is ignored.
The SC0TXF flag is set to "1" when data is written to SC0TXB, and is set to "0" at the end of transmission.
The SC0TBF flag is set to "1" when data is written to SC0TXB, and is set to "0" at the start of transmission.
bp1
bp2
bp3
bp4
bp5
bp6
bp7
PTY
bp0
SBO pin
SBT pin
Data write
SC0TXF flag
SC0TBF flag
Interrupt request 
(when set to “transmission buffer 
empty”)
Interrupt request 
(when set to “transmission end”)
bp1 bp2 bp3 bp4 bp5 bp6 bp7
bp0
bp1 bp2 bp3 bp4 bp5 bp6 bp7
bp0
SBO pin
SBT pin
Data write
SC0TXF flag
SC0TBF flag
Interrupt request 
(when set to “transmission buffer 
empty”)
Interrupt request 
(when set to “transmission end”)