upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 565

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Clocked Serial Interface (CSIB)
Caution
Note
(2)
Single reception
Set the CBnSCE bit to 1 in the initial setting.
In the single mode, data cannot be correctly received if the next transfer clock
is input earlier than the CBnRX register is read.
Preliminary User’s Manual U17566EE1V2UM00
CBnRX register dummy read
Initial setting (CBnCTL0
CBnCTL1 registers, etc.)
CBnRX register read
INTCBnR bit = 1?
CBnPWR bit = 0
CBnSCE bit = 0
(start reception)
(CBnCTL0)
(CBnCTL0)
Last data?
START
END
Yes
Yes
Note
,
No
No
CBnRX register read
Chapter 17
565