| 第1バイト | +0 | +1 | +2 | +3 | +4 | +5 | +6 | +7 | +8 | +9 | +10 | +11 | +12 | +13 | +14 | +15 | |
| 第2バイト | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | |
| 0 | 0 | ␀ | ␁ | ␂ | ␃ | ␄ | ␅ | ␆ | ␇ | ␈ | ␉ | ␊ | ␋ | ␌ | ␍ | ␎ | ␏ |
| 16 | 1 | ␐ | ␑ | ␒ | ␓ | ␔ | ␕ | ␖ | ␗ | ␘ | ␙ | ␚ | ␛ | ␜ | ␝ | ␞ | ␟ |
| 32 | 2 | ␠ | ! | " | # | $ | % | & | ' | ( | ) | * | + | , | - | . | / |
| 48 | 3 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | : | ; | < | = | > | ? |
| 64 | 4 | @ | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O |
| 80 | 5 | P | Q | R | S | T | U | V | W | X | Y | Z | [ | ¥ | ] | ^ | _ |
| 96 | 6 | ` | a | b | c | d | e | f | j | h | i | j | k | l | m | n | o |
| 112 | 7 | p | q | r | s | t | u | v | w | x | y | z | { | | | } | ‾ | ␡ |
| 128 | 8 | ||||||||||||||||
| 144 | 9 | ||||||||||||||||
| 160 | A | ｡ | ｢ | ｣ | ､ | ･ | ｦ | ｧ | ｨ | ｩ | ｪ | ｫ | ｬ | ｭ | ｮ | ｯ | |
| 176 | B | ｰ | ｱ | ｲ | ｳ | ｴ | ｵ | ｶ | ｷ | ｸ | ｹ | ｺ | ｻ | ｼ | ｽ | ｾ | ｿ |
| 192 | C | ﾀ | ﾁ | ﾂ | ﾃ | ﾄ | ﾅ | ﾆ | ﾇ | ﾈ | ﾉ | ﾊ | ﾋ | ﾌ | ﾍ | ﾎ | ﾏ |
| 208 | D | ﾐ | ﾑ | ﾒ | ﾓ | ﾔ | ﾕ | ﾖ | ﾗ | ﾘ | ﾙ | ﾚ | ﾛ | ﾜ | ﾝ | ﾞ | ﾟ |
| 224 | E | ||||||||||||||||
| 240 | F |
| ASCII制御文字 | |
| ASCIIと同一の文字 | |
| 空白文字 |
| キーボード | 制御文字 | |||
|---|---|---|---|---|
| NUL | 00 | Null | 空白 | |
| SOH | 01 | Start of Heading | ヘッディング開始 | |
| STX | 02 | Start of Text | テキスト開始 | |
| ETX | 03 | End of Text | テキスト終結 | |
| EOT | 04 | End of Transmission | 伝送終了 | |
| ENQ | 05 | Enquiry | 問合せ | |
| ACK | 06 | Acknowledge | 肯定応答 | |
| BEL | 07 | Bell | ベル | |
| Backspace | BS | 08 | Backspace | 後退 |
| Tab | HT | 09 | Horizontal Tabulation | 水平タブ |
| Enter(+ctrl) | LF | 10 | Line Feed | 改行 |
| VT | 11 | Vertical Tablation | 垂直タブ | |
| FF | 12 | Form Feed | 書式送り | |
| CR | 13 | Carriage Return | 復帰 | |
| SS | 14 | Shift Out | シフトアウト | |
| SI | 15 | Shift In | シフトイン | |
| DLE | 16 | Data Lick Escape | 伝送制御拡張 | |
| DC1 | 17 | Device Control 1 | 装置制御１ | |
| DC2 | 18 | Device Control 2 | 装置制御２ | |
| DC3 | 19 | Device Control 3 | 装置制御３ | |
| DC4 | 20 | Device Control 4 | 装置制御４ | |
| NAK | 21 | Negative Acknowledge | 否定応答 | |
| SYN | 22 | Synchronous Idle | 同期信号 | |
| ETB | 23 | End of Transmission Block | 伝送ブロック終結 | |
| CAN | 24 | Cancel | 取り消し | |
| EM | 25 | End of Medium | 媒体終結 | |
| SUB | 26 | Substitute Character | 置換 | |
| Esc | ESC | 27 | Escape | 拡張 |
| FS | 28 | File Separator | ファイル分離 | |
| GS | 29 | Group Separator | グループ分離 | |
| RS | 30 | Record Separator | レコード分離 | |
| US | 31 | Unit Separator | ユニット分離 | |
| Delete | DEL | 127 | Delete | 抹消 |