AM652X datasheet(95/299 Pages) TI1

95 / 299 page

AM6548, AM6528, AM6546

AM6526, AM6527

www.ti.com

SPRSP08E – NOVEMBER 2017 – REVISED OCTOBER 2018

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Product Folder Links: AM6548 AM6528 AM6546 AM6526 AM6527

Terminal Configuration and Functions

(1) The functionality of these pins is controlled by CTRLMMR_SERDES0_CTRL 1:0] LANE_FUNC_SEL. 0x0 = USB3, 0x1 = PCIe0 Lane0,

0x2 = ICSS2 SGMII Lane0.

(2) The required resistor value is 3k

Ω ±1%.

Table 4-56. SERDES1 Signal Descriptions(1)

SIGNAL NAME [1]

DESCRIPTION [2]

TYPE [3]

BALL [4]

SERDES1_REFCLKN

SERDES Clock Input (negative)

AH6

SERDES1_REFCLKP

SERDES Clock Input (positive)

AH7

SERDES1_REFRES

SERDES Reference Resistor(2)

AC14

SERDES1_RXN

SERDES Differential Receive Data (negative)

AG9

SERDES1_RXP

SERDES Differential Receive Data (positive)

AH10

SERDES1_TXN

SERDES Differential Transmit Data (negative)

AH9

SERDES1_TXP

SERDES Differential Transmit Data (positive)

AG8

(1) The functionality of these pins is controlled by CTRLMMR_SERDES1_CTRL [1:0] LANE_FUNC_SEL. 0x0 = PCIe1 Lane0, 0x1 = PCIe0

Lane1, 0x2 = ICSS2 SGMII Lane1.

(2) The required resistor value is 3k

Ω ±1%.

4.3.23 UART

4.3.23.1 MAIN Domain

Table 4-57. UART0 Signal Descriptions

SIGNAL NAME [1]

DESCRIPTION [2]

TYPE [3]

BALL [4]

UART0_CTSn

UART Clear to Send (active low)

AG11

UART0_DCDn

UART Data Carrier Detect (active low)

D25

UART0_DSRn

UART Data Set Ready (active low)

B26

UART0_DTRn

UART Data Terminal Ready (active low)

A24

UART0_RIN

UART Ring Indicator

E24

UART0_RTSn

UART Request to Send (active low)

AD11

UART0_RXD

UART Receive Data

AF11

UART0_TXD

UART Transmit Data

AE11

Table 4-58. UART1 Signal Descriptions

SIGNAL NAME [1]

DESCRIPTION [2]

TYPE [3]

BALL [4]

UART1_CTSn

UART Clear to Send (active low)

AD22

UART1_RTSn

UART Request to Send (active low)

AC21

UART1_RXD

UART Receive Data

AE23

UART1_TXD

UART Transmit Data

AD23

Table 4-59. UART2 Signal Descriptions

SIGNAL NAME [1]

DESCRIPTION [2]

TYPE [3]

BALL [4]

UART2_CTSn

UART Clear to Send (active low)

Y26

UART2_RTSn

UART Request to Send (active low)

W26

UART2_RXD

UART Receive Data

Y27

UART2_TXD

UART Transmit Data

W28

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