TC2XC2S=TCLK2, TC0XC0S=TCLK0, TC1XC1S=TCLK1
Block Mode Register
| TC0XC0S | External Clock Signal 0 Selection 0 (TCLK0): Signal connected to XC0: TCLK0 2 (TIOA1): Signal connected to XC0: TIOA1 3 (TIOA2): Signal connected to XC0: TIOA2  |  
| TC1XC1S | External Clock Signal 1 Selection 0 (TCLK1): Signal connected to XC1: TCLK1 2 (TIOA0): Signal connected to XC1: TIOA0 3 (TIOA2): Signal connected to XC1: TIOA2  |  
| TC2XC2S | External Clock Signal 2 Selection 0 (TCLK2): Signal connected to XC2: TCLK2 2 (TIOA0): Signal connected to XC2: TIOA0 3 (TIOA1): Signal connected to XC2: TIOA1  |  
| QDEN | Quadrature Decoder Enabled  |  
| POSEN | Position Enabled  |  
| SPEEDEN | Speed Enabled  |  
| QDTRANS | Quadrature Decoding Transparent  |  
| EDGPHA | Edge on PHA Count Mode  |  
| INVA | Inverted PHA  |  
| INVB | Inverted PHB  |  
| INVIDX | Inverted Index  |  
| SWAP | Swap PHA and PHB  |  
| IDXPHB | Index Pin is PHB Pin  |  
| MAXFILT | Maximum Filter  |