Test mode control
| TEST_MODE | Test mode control: ‘0’-‘31’: TBD |
| PN_CTL | Postive/negative margin mode control: ‘0’: negative margin control ‘1’: positive margin control |
| TM_PE | PUMP_EN override: Pump Enable =PUMP_EN | PE_TM |
| TM_DISPOS | Test mode positive pump disable |
| TM_DISNEG | Test mode negative pump disable |
| EN_CLK_MON | 1: enables the oscillator output monitor |
| CSL_DEBUG | Engineering Debug Register |
| ENABLE_OSC | 0’: the oscillator enable logic has control over the internal oscillator ‘1’: forces oscillator enable HI |
| UNSCRAMBLE_WA | See BSN-242 memo ‘0’: normal ‘1’: disables the Word Address scrambling |