HD64F36034 datasheet(342/592 Pages) RENESAS

342 / 592 page

Section 15 Controller Area Network for Tiny (TinyCAN)

Rev. 4.00 Mar. 15, 2006 Page 310 of 556

REJ09B0026-0400

15.3.11

Data Frame Receive Complete Register (RXPR)

RXPR is a status flag that indicates the successful reception of data frame messages in the

corresponding Mailboxes. When the received data frame is successfully stored in the receive

Mailbox, the corresponding RXPR bit is set to 1. When a remote frame is received, the bit is not

set to 1.

Bit

Bit Name

Initial

Value

R/W

Description

7 to 4

—

All 0

—

Reserved

These bits are always read as 0.

MB3

MB2

MB1

MB0

R/(W)*

[Setting condition]

When the corresponding Mailbox has completed

reception of a data frame

[Clearing condition]

When 1 is written to these bits

Note:

Only 1 can be written to clear the flag.

15.3.12

Remote Request Register (RFPR)

RFPR is a status flag that indicates successful reception of remote frames in the corresponding

Mailboxes. When a data frame is received, the corresponding RFPR bit is not set to 1.

Bit

Bit Name

Initial

Value

R/W

Description

7 to 4

—

All 0

—

Reserved

These bits are always read as 0.

MB3

MB2

MB1

MB0

R/(W)*

[Setting condition]

When the corresponding Mailbox has completed

reception of a remote frame

[Clearing condition]

When 1 is written to these bits

Note:

Only 1 can be written to clear the flag.

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