GS3471 datasheet(95/179 Pages) SEMTECH

95 / 179 page

GS3471

Final Data Sheet Rev.4

PDS-060498

September 2017

95 of 179

Semtech

www.semtech.com

Figure 4-54: Command and Data Word Format

When EMEM is set to 1, the Address Word is extended to 23 bits. The Command and Data

Word format will be extended by another 16 bits, and is shown in Figure 4-55 below.

Figure 4-55: Command and Data Word Format with EMEM set to 1

MSB

LSB

R / W

EMEM

AUTOINC

A11

A10

Command Word

UNIT ADDRESS

ADDRESS

B’CAST

ALL

D15

D14

D13

D12

D11

D10

Data Word

7-bit CSR address field providing up to

128 configuration registers.

5-bit UNIT ADDRESS field providing up to

32 devices to be connected on a single CS.

Auto increment read/write access when set.

Single read write access when reset.

Extended memory mode. When set, the extended memory mode is

enabled. When reset, normal GSPI addressing is enabled.

Read access when this bit is set.

Write access when this bit is reset.

When set, the UNIT ADDRESS field is ignored and

all data accesses are actioned by the device.

When reset, the Unit Address is used to

manage data accesses in the device.

MSB

LSB

R / W

EMEM

AUTOINC

A11

A10

Command Word

UNIT ADDRESS

ADDRESS[22:16]

B’CAST

ALL

D15

D14

D13

D12

D11

D10

Data Word

ADDRESS[15:0]

A16

A17

A18

A19

A20

A21

A22

A10

A11

A12

A13

A14

A15

GS3471 Datasheet(PDF) 95 Page - Semtech Corporation

GS3471 Datasheet(HTML) 95 Page - Semtech Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL