M50FLW040B View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M50FLW040B

4-Mbit (5 × 64 Kbyte blocks + 3 × 16 × 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory

STMicroelectronics 

M50FLW040A, M50FLW040B

Signal descriptions

Table 5. Memory identification input configuration (LPC mode)

Memory number

ID2

ID1

ID0

A21

A20

A19

1 (Boot memory) VIL or float VIL or float VIL or float

1

1

1

2

VIL or float VIL or float

VIH

1

1

0

3

VIL or float

VIH

VIL or float

1

0

1

4

VIL or float

VIH

VIH

1

0

0

5

VIH

VIL or float VIL or float

0

1

1

6

VIH

VIL or float

VIH

0

1

0

7

VIH

VIH

VIL or float

0

0

1

8

VIH

VIH

VIH

0

0

0

17/64

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