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SCM3712 REFERENCE MANUAL 55
8.5.1.8. Write-Erase 8 bytes (WRITE-E8)
Description
This command erases a memory block and then writes a value to it.
Format
CLA
INS
P1
P2
P3
Data
0xFF
0x5E
0x00
Block
Address
0x08
8 bytes of data to be
written
Where P2 codes the block address (value between 0x00 and 0xFF)
Response
Data
SW1 SW2
8 bytes of data that have been written 0x90 0x00
8.5.1.9. Write-No-Erase 8 bytes (WRITE-NE8)
Description
This command writes with no erase to a block of memory.
This command does not erase the value of the targetedblock before writing the new data. Using this
command, EEPROM bits can be set but not reset.
Format
CLA
INS
P1
P2
P3
Data
0xFF
0x60
0x00
Block
Address
0x08
8 bytes of data to be
written
Where P2 codes the block address (value between 0x00 and 0xFF).
Response
Data
SW1 SW2
8 bytes of data
0x90 0x00
Example
Sending the following command to an NFC Forum type 1 tag that has the value (0x01 0x02 0x03 0x04
0x000x000x00 0x00) in the first EEPROM block
CLA
INS
P1
P2
P3
Data
0xFF 0x60 0x00 0x00 0x08 0x00 0x01 0x03 0x04
0x05 0x06 0x07 0x08
Will give the answer
Data
SW1 SW2
0x01 0x03 0x03 0x04
0x05 0x06 0x07 0x08
0x90 0x00
- SCM3712 1
- Reference manual 3
- Document history 4
- Contact information 4
- Table of Contents 5
- LIST OF FIGURES 8
- LIST OF TABLES 9
- 1. Legal information 10
- 2.2. Target audience 11
- REFERENCE MANUAL 8 12
- 2.5. References 13
- 2.6. Conventions 14
- 3.1. SCM3712 key benefits 15
- 3.2. SCM3712 key features 15
- REFERENCE MANUAL 12 16
- REFERENCE MANUAL 13 17
- User Tokens and/or 18
- NFC SmartPhone 18
- 0123 4567 18
- SCM 3712 18
- 3.4.1. Power supply 20
- 3.4.2. Data exchange 20
- 3.4.3. Recommendations 21
- 3.5. Applications 22
- REFERENCE MANUAL 19 23
- 4. SCM3712 characteristics 24
- REFERENCE MANUAL 21 25
- 4.2. Quick reference data 26
- REFERENCE MANUAL 23 27
- REFERENCE MANUAL 24 28
- 5. Hardware 29
- 5.3. Antenna 30
- 6. Software modules 31
- REFERENCE MANUAL 28 32
- 6.2. Utilities 33
- 6.3. Driver 34
- REFERENCE MANUAL 31 35
- REFERENCE MANUAL 32 36
- REFERENCE MANUAL 33 37
- REFERENCE MANUAL 34 38
- REFERENCE MANUAL 35 39
- 7. Firmware 40
- 8. Commands description 41
- 8.1.2. Get DATA Command 42
- 8.1.2.1. Description 42
- 8.1.2.2. Format 42
- 8.1.2.3. Response 42
- 8.1.2.4. Status Words 42
- REFERENCE MANUAL 39 43
- REFERENCE MANUAL 40 44
- REFERENCE MANUAL 41 45
- 8.2.1.5. Example 46
- REFERENCE MANUAL 43 47
- 8.2.2.5. Example 48
- REFERENCE MANUAL 45 49
- 8.2.4.1. Description 50
- 8.2.4.2. Format 50
- 8.2.4.3. Response 50
- 8.2.4.4. Status Words 50
- 8.2.4.5. Example 51
- REFERENCE MANUAL 48 52
- REFERENCE MANUAL 49 53
- REFERENCE MANUAL 50 54
- REFERENCE MANUAL 51 55
- 8.5.1.3. Read Byte (READ) 56
- REFERENCE MANUAL 53 57
- REFERENCE MANUAL 54 58
- REFERENCE MANUAL 55 59
- 8.5.3.1. REQC 60
- 8.5.3.2. Request Service 61
- 8.5.3.3. Request response 61
- 8.5.3.4. Read 61
- 8.5.3.5. Write 62
- 8.6.1.1. Description 63
- 8.6.1.2. Input buffer 63
- 8.6.1.3. Output buffer 63
- REFERENCE MANUAL 61 65
- REFERENCE MANUAL 62 66
- 8.6.8.1. Description 67
- 8.6.8.2. Input buffer 67
- 8.6.8.3. Output buffer 67
- REFERENCE MANUAL 64 68
- Generic IOCTLs 69
- 8.7.1. IOCTL_GET_CARD_TYPE 69
- 8.7.1.1. Description 69
- 8.7.1.2. Input buffer 69
- REFERENCE MANUAL 66 70
- 8.7.2.4. Output buffer 71
- 8.7.2.5. Return Value 71
- 8.7.3.1. Description 72
- 8.7.3.2. Input buffer 72
- 8.7.3.3. Output buffer 72
- 8.7.3.4. Return Value 72
- 8.8.1. IOCTL_INITIATOR_POLL 73
- 8.8.1.1. Description 73
- 8.8.1.2. Input Buffer 73
- 8.8.1.3. Output Buffer 73
- 8.8.1.4. Return Value 74
- 8.8.2.1. Description 74
- 8.8.2.2. Input Buffer 74
- 8.8.2.3. Output Buffer 74
- REFERENCE MANUAL 71 75
- P2P Target Mode IOCTLs 76
- 8.8.5.2. Input Buffer 77
- 8.8.5.3. Output Buffer 77
- 8.8.5.4. Return Value 77
- 8.8.6. IOCTL_TARGET_SEND 78
- 8.8.6.1. Description 78
- 8.8.6.2. Input Buffer 78
- 8.8.6.3. Output Buffer 78
- 8.8.6.4. Return Value 78
- 9. Annexes 79
- REFERENCE MANUAL 76 80
- REFERENCE MANUAL 77 81
- REFERENCE MANUAL 78 82
- REFERENCE MANUAL 79 83
- Background Metal Plate 84
- External Antenna 84
- SCM3712 ANT 84
- REFERENCE MANUAL 82 86
- REFERENCE MANUAL 83 87
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