CY8C24123A
CY8C24223A, CY8C24423A
Document Number: 38-12028 Rev. *I Page 29 of 56
– RefHi = P2[4] + P2[6] (P2[4] = Vdd/2,
P2[6] = 0.5V)
P2[4] + P2[6] - 0.075 P2[4] + P2[6] - 0.009 P2[4] + P2[6] + 0.057 V
– RefHi = 3.2 x BandGap Not Allowed
– RefLo = Vdd/2 - BandGap Not Allowed
– RefLo = BandGap Not Allowed
– RefLo = 2 x BandGap - P2[6] (P2[6] = 0.5V) Not Allowed
– RefLo = P2[4] – BandGap (P2[4] = Vdd/2) Not Allowed
– RefLo = P2[4]-P2[6] (P2[4] = Vdd/2,
P2[6] = 0.5V)
P2[4] - P2[6] - 0.048 P2[4]- P2[6] + 0.022 P2[4] - P2[6] + 0.092 V
Table 26. 3.3V DC Analog Reference Specifications (continued)
Symbol Description Min Typ Max Units
Table 27. 2.7V DC Analog Reference Specifications
Symbol Description Min Typ Max Units
BG Bandgap Voltage Reference 1.16 1.30 1.33 V
– AGND = Vdd/2 Vdd/2 - 0.03 Vdd/2 - 0.01 Vdd/2 + 0.01 V
– AGND = 2 x BandGap Not Allowed
– AGND = P2[4] (P2[4] = Vdd/2) P2[4] - 0.01 P2[4] P2[4] + 0.01 V
– AGND = BandGap BG - 0.01 BG BG + 0.015 V
– AGND = 1.6 x BandGap Not Allowed
– AGND Column to Column Variation
(AGND = Vdd/2)
-0.034 0.000 0.034 mV
– RefHi = Vdd/2 + BandGap Not Allowed
– RefHi = 3 x BandGap Not Allowed
– RefHi = 2 x BandGap + P2[6] (P2[6] = 0.5V) Not Allowed
– RefHi = P2[4] + BandGap (P2[4] = Vdd/2) Not Allowed
– RefHi = P2[4] + P2[6] (P2[4] = Vdd/2,
P2[6] = 0.5V)
P2[4] + P2[6] - 0.08 P2[4] + P2[6] - 0.01 P2[4] + P2[6] + 0.06 V
– RefHi = 3.2 x BandGap Not Allowed
– RefLo = Vdd/2 - BandGap Not Allowed
– RefLo = BandGap Not Allowed
– RefLo = 2 x BandGap - P2[6] (P2[6] = 0.5V) Not Allowed
– RefLo = P2[4] – BandGap (P2[4] = Vdd/2) Not Allowed
– RefLo = P2[4]-P2[6] (P2[4] = Vdd/2,
P2[6] = 0.5V)
P2[4] - P2[6] - 0.05 P2[4]- P2[6] + 0.01 P2[4] - P2[6] + 0.09 V
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