| 数据码字数 | 错误纠正等级 |
| 1~40 | 2 |
| 40~160 | 3 |
| 161~320 | 4 |
| 321~863 | 5 |
| 引 脚 | 引脚号 | 类 型 | 功 能 解 释 |
| FLASH_DWN | 1 | I | 写SE923HS的Flash-ROM |
| VBATT | 2 | I | Power Supply:为SE923HS提供工作电压 |
| GND | 3 | I | Ground:地线 |
| RXD | 4 | I | Received Data:串行输入口 |
| CTS | 6 | I | Clear to Send:串口握手线 |
| AIM/WKUP | 11 | I | Wake Up:用持续1μs的低电平唤醒低电模式的SE923HS |
| TRIG | 12 | I | Trigger:硬件触发线,使SE923HS进入扫描和译码 |
| TXD | 5 | O | Transmitted Data:串口输出口 |
| RTS | 7 | O | Request to Send:串口输出口 |
| PWRDWN | 8 | O | Power Down Ready:高电平,表示Decoder处于掉电模式 |
| BPR | 9 | O | Beeper:低电流Beeper输出 |
| DLED | 10 | O | Decode LED:电流LED输出 |
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