upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 610

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

(14) CAN module last in-pointer register (CnLIPT)
CnLIPT
Remark:
610
LIPT7 to LIPT0
The CnLIPT register indicates the number of the message buffer in which a data frame or a
remote frame was last stored.
0.....31
LIPT7
7
The read value of the CnLIPT register is undefined if a data frame or a remote frame has
never been stored in the message buffer. If the RHPM bit of the CnRGPT register is set to 1
after the CAN module has changed from the initialization mode to an operation mode, there-
fore, the read value of the CnLIPT register is undefined.
Figure 16-37: CAN Module Last In-Pointer Register (CnLIPT) Format
LIPT6
When the CnLIPT register is read, the contents of the element indexed by the last
in-pointer (LIPT) of the receive history list are read. These contents indicate the number
of the message buffer in which a data frame or a remote frame was last stored.
6
LIPT5
5
Chapter 16 FCAN Controller
LIPT4
User’s Manual U16702EE3V2UD00
4
LIPT3
Last in-pointer register (CnLIPT)
3
LIPT2
2
LIPT1
1
LIPT0
0
see Table
Address R/W After reset
16-16
R
undefined