M-V850E-IA4 Renesas Electronics America, M-V850E-IA4 Datasheet - Page 626

• 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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(1) Operation flow
(1), (2), (3)
Remarks 1. The broken lines indicate the hardware processing.
(12)
(13)
(13)
(4)
(5)
(8)
(9)
No
CBnCTL0 register ← A3H
CBnCTL1 register ← 00H
CBnCTL2 register ← 00H
CBnCTL0 register ← 00H
2. The numbers in this figure correspond to the processing numbers in (2) Operation timing.
3. n = 0, 1
Read CBnRX register
INTCBnRE interrupt
INTCBnR interrupt
CBnOVE bit = 0
CBnTSF bit = 0?
CBnSCE bit = 0
CBnRX register
Start reception
dummy read
(CBnCTL0)
generated?
(CBnSTR)
generated?
(CBnSTR)
START
END
No
Yes
Yes
CHAPTER 15 CLOCKED SERIAL INTERFACE B (CSIB)
Yes
No
(10)
(11)
(8)
(9)
User’s Manual U16543EJ4V0UD
Read CBnRX register
Is data being received
Read CBnRX register
INTCBnR interrupt
CBnSCE bit = 0
(CBnCTL0)
generated?
last data?
(6)
Yes
Yes
No
No
Read CBnRX register
(7)
(9)