AM6548, AM6528, AM6526
ZHCSLA7B –DECEMBER 2019 –REVISED JUNE 2021
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6.5 Connections for Unused Pins
This section describes the Unused/Reserved balls connection requirements.
Note
All power balls must be supplied with the voltages specified in 节 7.4, Recommended Operating
Conditions, unless otherwise specified in 节6.3, Signal Descriptions.
表6-77. Unused Balls Specific Connection Requirements
BALL NUMBER
BALL NAME
CONNECTION REQUIREMENTS
C22
AE4
AA3
K2
K3
V5
H2
H3
K5
J3
OSC1_XI
WKUP_LFOSC0_XI
TRSTn
MCU_ADC0_REFN
MCU_ADC0_REFP
MCU_BYP_POR
MCU_ADC1_REFP
MCU_ADC1_REFN
MCU_ADC0_AIN0
MCU_ADC0_AIN1
MCU_ADC0_AIN2
MCU_ADC0_AIN3
MCU_ADC0_AIN4
MCU_ADC0_AIN5
MCU_ADC0_AIN6
MCU_ADC0_AIN7
MCU_ADC1_AIN0
MCU_ADC1_AIN1
MCU_ADC1_AIN2
MCU_ADC1_AIN3
MCU_ADC1_AIN4
MCU_ADC1_AIN5
MCU_ADC1_AIN6
MCU_ADC1_AIN7
J1
Each of these balls must be connected to VSS through a separate
external pull resistor to ensure these balls are held to a valid logic low
level if unused.
J5
K4
J4
J2
J6
F4
G6
G4
H5
F5
G5
G3
H4
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