M-V850E-IA4 Renesas Electronics America, M-V850E-IA4 Datasheet - Page 629

• 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

(1) Operation flow
Remarks 1. The broken lines indicate the hardware processing.
2. The numbers in this figure correspond to the processing numbers in (2) Operation timing.
3. n = 0, 1
(1), (2), (3)
CHAPTER 15 CLOCKED SERIAL INTERFACE B (CSIB)
(6), (11)
(13)
(14)
(15)
(15)
(4)
(5)
(7)
(7)
(8)
No
Start transmission/reception
CBnCTL0 register ← E3H
CBnCTL1 register ← 00H
CBnCTL2 register ← 00H
CBnCTL0 register ← 00H
Is data being transmitted
Read CBnRX register
Write CBnTX register
Write CBnTX register
INTCBnRE interrupt
INTCBnT interrupt
INTCBnR interrupt
CBnOVE bit = 0
CBnTSF bit = 0?
User’s Manual U16543EJ4V0UD
generated?
generated?
generated?
(CBnSTR)
(CBnSTR)
last data?
START
END
Yes
No
No
Yes (13)
Yes
No
Yes (11)
Yes (9)
No
Read CBnRX register
Is receive data
last data?
Yes (12)
(10)
No
627