M50FLW040BNB5TP datasheet(6/64 Pages) STMICROELECTRONICS

Part #	M50FLW040BNB5TP

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

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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6 / 64 page

List of figures

M50FLW040A, M50FLW040B

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List of figures

Figure 1.

Logic diagram (FWH/LPC interface) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 2.

Logic diagram (A/A Mux interface) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 3.

PLCC connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 4.

TSOP32 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 5.

TSOP40 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 6.

FWH bus read waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 7.

FWH bus write waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 8.

LPC bus read waveforms (1-byte) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 9.

LPC bus write waveforms (1 byte) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 10.

FWH/LPC interface AC measurement I/O waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 11.

A/A Mux interface AC measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 12.

AC measurement load circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 13.

FWH/LPC interface clock waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 14.

FWH/LPC interface AC signal timing waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 15.

Reset AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Figure 16.

A/A Mux interface Read AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Figure 17.

A/A Mux interface Write AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Figure 18.

PLCC32 – 32 pin Rectangular Plastic Leaded Chip Carrier, package outline . . . . . . . . . . 48

Figure 19.

TSOP32 – 32 lead Plastic Thin Small Outline, 8x14 mm, package outline . . . . . . . . . . . . 49

Figure 20.

TSOP40 – 40 lead Plastic Thin Small Outline, 10 x 20mm, package outline . . . . . . . . . . . 50

Figure 21.

Program flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Figure 22.

Double/Quadruple Byte Program flowchart and pseudo code (FWH mode only). . . . . . . . 57

Figure 23.

Quadruple Byte Program flowchart and pseudo code (A/A Mux interface only). . . . . . . . . 58

Figure 24.

Program Suspend and Resume flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . 59

Figure 25.

Chip Erase flowchart and pseudo code (A/A Mux interface only). . . . . . . . . . . . . . . . . . . . 60

Figure 26.

Sector/Block Erase flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Figure 27.

Erase Suspend and Resume flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . 62

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