M-V850E-IA4 Renesas Electronics America, M-V850E-IA4 Datasheet - Page 624

• Manufacturer Part Number: M-V850E-IA4
• Description: KIT EVAL V850E IA4 UPD70F3186
• Manufacturer: Renesas Electronics America

Specifications of M-V850E-IA4

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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622
(2) Operation timing
Caution In continuous transmission mode, the reception end interrupt request signal (INTCBnR) is not
Remark
INTCBnR signal
INTCBnT signal
CBnTSF bit
SCKBn pin
(1) Write 00H to the CBnCTL1 register, and select communication type 1, communication clock (f
(2) Write 00H to the CBnCTL2 register, and set the transfer data length to 8 bits.
(3) Write C3H to the CBnCTL0 register, and select the transmission mode, MSB first, and continuous
(4) The CBnSTR.CBnTSF bit is set to 1 by writing the transmit data to the CBnTX register, and
(5) When transmission is started, output the serial clock to the SCKBn pin, and output the transmit data
(6) When transfer of the transmit data from the CBnTX register to the shift register is completed and
(7) To continue transmission, write the transmit data to the CBnTX register again after the INTCBnT signal
(8) When a new transmit data is written to the CBnTX register before communication completion, the next
(9) The transfer of the transmit data from the CBnTX register to the shift register is completed and the
(10) When the next transmit data is not written to the CBnTX register before transfer completion, stop the
(11) To release the transmission enable status, write the CBnCTL0.CBnPWR bit = 0 and the
SOBn pin
f
transfer mode at the same time as enabling the operation of the communication clock (f
transmission is started.
from the SOBn pin in synchronization with the serial clock.
writing to the CBnTX register is enabled, the transmission enable interrupt request signal (INTCBnT) is
generated.
is generated.
communication is started following communication completion.
INTCBnT signal is generated. To end continuous transmission with the current transmission, do not
write to the CBnTX register.
serial clock output to the SCKBn pin after transfer completion, and clear the CBnTSF bit to 0.
CBnCTL0.CBnTXE bit = 0 after checking that the CBnTSF bit = 0.
XX
generated.
n = 0, 1
/4, and master mode.
L
(1)
(2)
(3)
(4)
(5)
Bit 7
(6)
Bit 6
CHAPTER 15 CLOCKED SERIAL INTERFACE B (CSIB)
Bit 5
Bit 4
(7)
Bit 3
User’s Manual U16543EJ4V0UD
Bit 2
Bit 1
Bit 0
(8)
Bit 7
(9)
Bit 6
Bit 5 Bit 4
Bit 3
Bit 2
Bit 1
(10)
Bit 0
CCLK
(11)
).
CCLK
) =