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BM1397

The BM1397 is a SHA256 bitcoin mining ASIC from Bitmain. The BM1397 is mostly undocumented. This repo aims to fix that.

Usage

Variants

Really don’t know what this table means, but it mentions a lot of variants of the BM1397

Really don’t know what this table means, but it mentions a lot of variants of the BM1397

Variant Used In Notes
BM1397AD S17, S17 Pro, T17 original model of Bitmain’s BM1397 design
BM1397AG S17, S17 Pro, T17, S17+, T17+ revision allows greater resilience at high temperatures
BM1397AH S17, S17 Pro, T17 tend to have stable hashrate even when the voltage is insufficient
BM1397AI all fits all models. signal clarity, backward compatibility and significantly increased stability; better performance
BM1397AF S17, S17+, T17, T17+ ??

Recommended Operating Conditions

Pin Configurations and Functions

Untitled

Pin Functions

Untitled

Mode 0 Pin Number Mode 1 Pin Number Pin Name Description
1 1 VDD3_0
2 2 VDD2_0
3 3 VDD1_0
4 4 ADDR0
5 5 ADDR1
6 6 ADDR2
7 7 TEST
8 25 CLKO
9 26 CO
10 27 RI
11 28 NRSTO
12 29 BO
13 13 PLL_VSS
14 14 PLL_VDD
15 15 VDDIO08_0
16 16 VDDIO18_0
17 17 VDDIO18_1
18 18 VDDIO08_1
19 19 VSS
20 20 PIN_MODE
21 21 TEMP_N
22 22 TEMP_P
23 23 RF
24 24 TF
25 8 BI
26 9 NRSTI
27 10 RO
28 11 CI
29 12 CLKI
30 30 VDD1_1
31 31 VDD2_1
32 32 VDD3_1
33 33 VDD
34 34 VSS

Modes

Programing Manual

Initializing

Mining

Physical Dimensions

PCB Footprint

Thermal

Circuit Examples

References

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Documenting the Bitmain BM1397 mining ASIC

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