M-V850E-IA4 Renesas Electronics America, M-V850E-IA4 Datasheet - Page 633
M-V850E-IA4
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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(2) Operation timing
Caution In continuous transmission mode, the reception end interrupt request signal (INTCBnR) is not
Remark
INTCBnT signal
CBnTSF bit
SCKBn pin
SOBn pin
(1) Write 07H 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 the device
(5) When a serial clock is input, output the transmit data from the SOBn pin in synchronization with the
(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 serial clock is input following completion of the transmission of the transfer data length set with
(9) When transfer of the transmit data from the CBnTX register to the shift register is completed and
(10) When the clock of the transfer data length set with the CBnCTL2 register is input without writing to the
(11) To release the transmission enable status, write the CBnCTL0.CBnPWR bit = 0 and the
external clock (SCKBn), and slave mode.
transfer mode at the same time as enabling the operation of the communication clock (f
waits for a serial clock input.
serial clock.
writing to the CBnTX register is enabled, the transmission enable interrupt request signal (INTCBnT) is
generated.
is generated.
the CBnCTL2 register, continuous transmission is started.
writing to the CBnTX register is enabled, the INTCBnT signal is generated.
transmission with the current transmission, do not write to the CBnTX register.
CBnTX register, clear the CBnTSF bit to 0 to end transmission.
CBnCTL0.CBnTXE bit = 0 after checking that the CBnTSF bit = 0.
generated.
n = 0, 1
(1)
(2)
(3)
(4)
(5)
Bit 7
(6)
Bit 6
CHAPTER 15 CLOCKED SERIAL INTERFACE B (CSIB)
Bit 5
Bit 4 Bit 3
(7)
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
To end continuous
CCLK
(11)
).
CCLK
) =
631
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