PXS20 Datasheet, PDF (52/119 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

Package pinouts and signal descriptions
2.2 Supply pins
Table 5. Supply pins
Supply
Symbol
Description
VREG control and power supply pins
BCTRL Voltage regulator external NPN ballast base control pin
V_{DD_LV_COR}
V_{SS_LV_COR}
V_{DD_HV_PMU}
Core logic supply
Core regulator ground
Voltage regulator supply
ADC_0/ADC_1 reference voltage and ADC supply
V_{DD_HV_ADR0} ADC_0 high reference voltage
V_{SS_HV_ADR0} ADC_0 low reference voltage
V_{DD_HV_ADR1} ADC_1 high reference voltage
V_{SS_HV_ADR1} ADC_1 low reference voltage
V_{DD_HV_ADV} ADC voltage supply for ADC_0 and ADC_1
V_{SS_HV_ADV} ADC ground for ADC_0 and ADC_1
Power supply pins (3.3 V)
V_{DD_HV_IO} 3.3 V Input/Output supply voltage
V_{SS_HV_IO} 3.3 V Input/Output ground
V_{DD_HV_REG_0} VDD_HV_REG_0
V_{DD_HV_IO} 3.3 V Input/Output supply voltage
V_{SS_HV_IO} 3.3 V Input/Output ground
V_{DD_HV_OSC} Crystal oscillator amplifier supply voltage
V_{SS_HV_OSC} Crystal oscillator amplifier ground
V_{SS_HV_IO} 3.3 V Input/Output ground
V_{DD_HV_IO} 3.3 V Input/Output supply voltage
V_{DD_HV_REG_1} VDD_HV_REG_1
V_{SS_HV_FLA} VSS_HV_FLA
V_{DD_HV_FLA} VDD_HV_FLA
V_{DD_HV_IO} VDD_HV_IO
V_{SS_HV_IO} VSS_HV_IO
V_{DD_HV_REG_2} VDD_HV_REG_2
Power supply pins (1.2 V)
V_{SS_LV_COR}
VSS_LV_COR
Decoupling pins for core logic. Decoupling capacitor must be connected
between these pins and the nearest V_{DD_LV_COR} pin.
Pin #
144 257
pkg pkg
69
R13
70 VDD_LV¹
71 VSS_LV²
72
U14
50
R7
51
T7
56
R9
57
T9
58
U9
59
U10
6 VDD_HV³
7 VSS_HV⁴
16
J3
21 VDD_HV³
22 VSS_HV⁴
27
M1
28
P1
90 VSS_HV⁴
91 VDD_HV³
95
H15
96
J16
97
H16
126 VDD_HV³
127 VSS_HV⁴
130
C7
17 VSS_HV²
PXS20 Microcontroller Data Sheet, Rev. 1
52
Freescale Semiconductor
Preliminary—Subject to Change Without Notice