TMPR4956C datasheet(68/286 Pages) TOSHIBA

Part #	TMPR4956C

Description	64-Bit TX System RISC TX49 Family

PDF	286 Pages

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Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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Chapter 3 TX49/H4 Core’s Registers

3-8

3.2.6

Wired Register (Reg

#6)

The Wired register is a read/write register specifies the boundary between the wired and random entries

of the TLB as follows. Wired entries are non-replaceable entries, which can not be overwritten by a TLB

write random operation. Random entries can be overwritten.

The Wired register is set to 0 upon system reset. Writing this register also sets the Random register to

the value of its upper bound.

Figure 3.2.6 shows the format of the Wired register and Table 3.2.7 describes the Wired register fields.

6 5

Wired

Figure 3.2.6 Wired Register

Table 3.2.7 Wired Register Filed Descriptions

Bit(s)

Field Name

Description

Cold Reset

Read/Write

31:6

Reserved

(Must be written as zeroes, and returns zeroes when read.)

0x0

Read

5:0

Wired

TLB Wired boundary.

0x0

Read/Write

TLB

Range of Random entries

Range of Wired entries

Wired Register

TMPR4956C Datasheet(PDF) 68 Page - Toshiba Semiconductor