GDU_PHCMP1CR0 field descriptions (continued)Field Description110 6 consecutive samples must agree.111 7 consecutive samples must agree.3–1ReservedThis field is reserved.This read-only field is reserved and always has the value 0.0HYSTCTRComparator hard block hysteresis controlDefines the programmable hysteresis level. The hysteresis values associated with each level is device-specific. See the device's data sheet for the exact values.0 Level 01 Level 125.6.6 PHCMP1 Control Register 1 (GDU_PHCMP1CR1)Address: 20h base + 5h offset = 25hBit 7 6 5 4 3 2 1 0Read SE WE 0 PMODE INV COS OPE ENWriteReset 0 0 0 0 0 0 0 0GDU_PHCMP1CR1 field descriptionsField Description7SESample EnableAt any given time, either SE or WE can be set. If a write to this register attempts to set both, then SE is setand WE is cleared. However, avoid writing ones to both bit locations because this "11" case is reservedand may change in future implementations.0 Sampling mode not selected.1 Sampling mode selected.6WEWindowing EnableAt any given time, either SE or WE can be set. If a write to this register attempts to set both, then SE is setand WE is cleared. However, avoid writing ones to both bit locations because this "11" case is reservedand may change in future implementations.0 Windowing mode not selected.1 Windowing mode selected.5ReservedThis field is reserved.This read-only field is reserved and always has the value 0.4PMODEPower Mode Select0 Low Speed (LS) comparison mode selected.1 High Speed (HS) comparison mode selected.3INVGDU Comparator INVERTTable continues on the next page...Chapter 25 Gate Drive Unit (GDU)MC9S08SU16 Reference Manual, Rev. 5, 4/2017NXP Semiconductors 443
