N25Q128A23ESF40F View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

MFG CO.

N25Q128A23ESF40F

128-Mbit 3 V, multiple I/O, 4-Kbyte subsector erase on boot sectors, XiP enabled, serial flash memory with 108 MHz SPI bus interface

Numonyx -> Micron 

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Volatile and Non Volatile Registers

N25Q128 - 3 V

Table 3. Non-Volatile Configuration Register

Bit

Parameter Value

Description

0000

As '1111'

0001

1

0010

2

0011

3

0100

4

0101

5

0110

6

0111

7

1000

8

NVCR<15:12>

Dummy clock

cycle

1001

9

1010

10

1011

11

1100

12

1101

13

1110

14

1111

Target on maximum

allowed frequency fc

(108MHz) and to

guarantee backward

compatibility (default)

000

XIP for SIO Read

001

XIP for DOFR

010

XIP for DIOFR

NVCR<11:9>

XIP enabling 011

at POR

100

101

XIP for QOFR

XIP for QIOFR

reserved

110

reserved

111

XIP disabled (default)

000

reserved

NVCR<8:6>

001

010

Output Driver

Strength

011

100

90

60

45

reserved

101

20

110

15

Note

To optimize instruction execution

(FASTREAD, DOFR,DIOFR,QOFR,

QIOFR, ROTP) according to the frequency

Impedance at Vcc/2

36/180

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