M58LT128GS datasheet(77/98 Pages) STMICROELECTRONICS

77 / 98 page

M58LT128GST, M58LT128GSB

13 Part Numbering

77/98

Table 41.

Protection Register Information

Table 42.

Burst Read Information

Offset

Data

Description

Value

(P+E)h = 118h

0002h

Number of protection register fields in JEDEC ID space. 0000h indicates

that 256 fields are available.

(P+F)h = 119h

0080h

Protection Field 1: Protection Description

Bits 0-7 Lower byte of protection register address

Bits 8-15 Upper byte of protection register address

Bits 16-23 2n bytes in factory pre-programmed region

Bits 24-31 2n bytes in user programmable region

80h

(P+10)h = 11Ah

0000h

00h

(P+11)h = 11Bh

0003h

8 Bytes

(P+12)h = 11Ch

0003h

8 Bytes

(P+13)h = 11Dh

0089h

Protection Register 2: Protection Description

Bits 0-31 protection register address

Bits 32-39 n number of factory programmed regions (lower byte)

Bits 40-47 n number of factory programmed regions (upper byte)

Bits 48-55 2n bytes in factory programmable region

Bits 56-63 n number of user programmable regions (lower byte)

Bits 64-71 n number of user programmable regions (upper byte)

Bits 72-79 2n bytes in user programmable region

89h

(P+14)h = 11Eh

0000h

00h

(P+15)h = 11Fh

0000h

00h

(P+16)h = 120h

0000h

00h

(P+17)h = 121h

0000h

(P+18)h = 122h

0000h

(P+19)h = 123h

0000h

(P+1A)h = 124h

0010h

(P+1B)h = 125h

0000h

(P+1C)h = 126h

0004h

Offset

Data

Description

Value

(P+1D)h = 127h

0004h

Page-mode read capability

bits 0-7 n’ such that 2n HEX value represents the number of read-page

bytes. See offset 0028h for device word width to determine page-mode data

output width.

16 Bytes

(P+1E)h = 128h

0004h

Number of synchronous mode read configuration fields that follow.

(P+1F)h = 129h

0001h

Synchronous mode read capability configuration 1

bit 3-7 Reserved

bit 0-2 n’ such that 2n+1 HEX value represents the maximum number of

continuous synchronous reads when the device is configured for its

maximum word width. A value of 07h indicates that the device is capable of

continuous linear bursts that will output data until the internal burst counter

reaches the end of the device’s burstable address space. This field’s 3-bit

value can be written directly to the read configuration register bit 0-2 if the

device is configured for its maximum word width. See offset 0028h for word

width to determine the burst data output width.

(P+20)h = 12Ah

0002h

Synchronous mode read capability configuration 2

(P-21)h = 12Bh

(P+22)h = 12Ch

0003h

0007h

Synchronous mode read capability configuration 3

Synchronous mode read capability configuration 4

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