| 0 0 | Rcv OFF | Power Down | COMMAND |
| COMMAND(命令) | 命令代码 |
| Idle(空闲) | 0000 |
| CalcCRC(校验) | 0011 |
| Transmit(发送) | 0100 |
| NoCmd Change(无命令改变) | 0111 |
| Recceive(接收) | 1000 |
| Transceive(收发) | 1100 |
| MFAuthent(认证) | 1110 |
| Soft Reset(软件复位) | 1111 |
| 基本指令 | 指令代码 |
| Request Std | 0x26 |
| Request All | 0x52 |
| AntiCollision(防重叠) | 0x93 |
| Select Tag(选卡片) | 0x93 |
| Authentication_A | 0x60 |
| Authentication_B | 0x61 |
| Read(读) | 0x30 |
| Write(写16Bytes) | 0xA0 |
| Write4(写4Bytes) | 0xA2 |
| Increment(增值) | 0xC1 |
| Destore(减值) | 0xC0 |
| Restore(重储) | 0xC2 |
| Transfer(传送) | 0xB0 |
| No command | 0x50 |
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