AM6548, AM6528, AM6526
ZHCSLA7B –DECEMBER 2019 –REVISED JUNE 2021
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表6-77. Unused Balls Specific Connection Requirements (continued)
BALL NUMBER
BALL NAME
CONNECTION REQUIREMENTS
F17
W4
RESETz
MCU_RESETz
MCU_PORz
W5
E19
AA4
A21
AC7
AD6
AD7
AD8
F18
C20
A20
AA1
AA2
F21
T6
PORz
TCK
TMS
WKUP_I2C0_SCL
WKUP_I2C0_SDA
MCU_I2C0_SDA
MCU_I2C0_SCL
NMIn
Each of these balls must be connected to the corresponding power
supply through a separate external pull resistor to ensure these balls
are held to a valid logic high level if unused.(1)
TDI
TDO
EMU1
EMU0
VPP_CORE
VPP_MCU
AG5
AG6
AC9
AH3
AG2
AH4
AG3
AH6
AH7
SERDES0_REFCLKN
SERDES0_REFCLKP
SERDES0_REFRES
SERDES0_RXN
SERDES0_RXP
SERDES0_TXN
SERDES0_TXP
SERDES1_REFCLKN
SERDES1_REFCLKP
SERDES1_REFRES
SERDES1_RXN
SERDES1_RXP
SERDES1_TXN
SERDES1_TXP
This ball must be left unconnected if unused.
AC14
AG9
AH10
AH9
AG8
(1) To determine which power supply is associated with any IO refer to 表6-1, Pin Attributes.
表6-78. Reserved Balls Specific Connection Requirements
BALLS
CONNECTION REQUIREMENTS
AA6 (RSV2), B1 (RSV3), AC23 (RSV4), C12 (RSV5), F9 (RSV6),
F10 (RSV7), AD10 (RSV8), AC13 (RSV9), B28 (RSV10), A27
(RSV11), D23 (RSV12), E23 (RSV13), W6 (TEMP_DIODE_P), F16 These balls must be left unconnected.
(DDR_FS_RESETn), D24 (MMC0_CALPAD), F23
(MMC1_CALPAD)
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.
V4 (RSV1)
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