SH7052 datasheet(543/919 Pages) RENESAS

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15.2.10

Remote Request Register (RFPR)

The remote request register (RFPR) is a 16-bit readable/writable register containing status flags

that indicate normal reception of remote frames in mailboxes (buffers). When a bit in this register

is set, the corresponding bit in the receive complete register (RXPR) is also set.

Bit:

RFPR7

RFPR6

RFPR5

RFPR4

RFPR3

RFPR2

RFPR1

RFPR0

Initial value:

R/W:

R/W

Bit:

RFPR15 RFPR14 RFPR13 RFPR12 RFPR11 RFPR10

RFPR9

RFPR8

Initial value:

R/W:

R/W

• Bits 15 to 0—Remote Request Register (RFPR7 to 0, RFPR15 to 8): These bits indicate that a

remote frame has been received normally in the corresponding mailbox (buffer).

Bit x: RFPRx

Description

[Clearing condition]

Writing 1

(Initial value)

Completion of remote frame reception in corresponding mailbox

15.2.11

Interrupt Register (IRR)

The interrupt register (IRR) is a 16-bit readable/writable register containing status flags for the

various interrupt sources.

Bit:

IRR7

IRR6

IRR5

IRR4

IRR3

IRR2

IRR1

IRR0

Initial value:

R/W:

R/W

Bit:

——

—

IRR12

——

IRR9

IRR8

Initial value:

R/W:

R/W

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