| MB91F522FWC/JC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | Yes | Main Flash + Work Flash | 320K + 64K | 56K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |
| MB91F522FSC/HC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | - | Main Flash + Work Flash | 320K + 64K | 56K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |
| MB91F523FWC/JC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | Yes | Main Flash + Work Flash | 448K + 64K | 56K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |
| MB91F523FSC/HC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | - | Main Flash + Work Flash | 448K + 64K | 56K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |
| MB91F524FWC/JC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | Yes | Main Flash + Work Flash | 576K + 64K | 72K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |
| MB91F524FSC/HC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | - | Main Flash + Work Flash | 576K + 64K | 72K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |
| MB91F525FWC/JC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | Yes | Main Flash + Work Flash | 832K + 64K | 104K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |
| MB91F525FSC/HC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | - | Main Flash + Work Flash | 832K + 64K | 104K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |
| MB91F526FWC/JC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | Yes | Main Flash + Work Flash | 1088K + 64K | 136K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |
| MB91F526FSC/HC | 80 | Yes | Yes | LQFP-100 | 2.7 to 5.5 | - | Main Flash + Work Flash | 1088K + 64K | 136K | – | 16 | 16 | – | 76 | – | 16 x 1 + 21 x 1 | 8bit x 2 | 16bit x 6 + 32bit x 6 | 16bit x 3 + 32bit x 3 | 16bit x 4 + 32bit x 6 | Reload Timer x 8 + PPG Timer x 34 + Base Timer x 1 | 2 | – | Yes | MFS x 12 | – | 64Msg-buffer x 2 + 128Msg-buffer x 1 | – | – | – | – | – | – | – | – | – | Tuning RAM, Suffix: xS/xJ - CSV initial value is "Off" | On-chip Debugger |