TMPR4925 datasheet(299/590 Pages) TOSHIBA

tên linh kiện	TMPR4925

Giải thích chi tiết về linh kiện	64-Bit TX System RISC TX49 Family

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nhà sản xuất	TOSHIBA [Toshiba Semiconductor]

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Chapter 10 PCI Controller

10-37

10.4.12 G2P Timeout Count Register (G2PTOCNT)

0xD040

The Retry Timeout field corresponds to the Retry Timeout Value Register of the PCI Configuration

Space, and the TRDY Timeout field corresponds to the TRDY Timeout Value Register of the PCI

Configuration Space.

This register cannot be accessed when the PCI Controller is in the Satellite mode.

Reserved

: Type

: Initial value

RETRYTO

TRDYTO

R/W

: Type

0x80

: Initial value

Bits

Mnemonic

Field Name

Description

31:16



Reserved



15:8

RETRYTO

Retry Timeout

Retry Time Out (Initial value: 0x80, R/W)

Sets the maximum number of retries to accept when operating as the initiator on the

PCI Bus. Ends with an error when receiving more retry terminations than the set

maximum number.

Setting a “0” disables this timeout function.

7:0

TRDYTO

TRDY Timeout

TRDY Time Out (Initial value: 0x80, R/W)

Sets the maximum value of the time to wait for assertion of the TRDY* signal when

operating as the initiator on the PCI Bus.

Setting a “0” disables this timeout function.

Figure 10.4.12 G2P Timeout Count Register

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