AM6548 datasheet(165/282 Pages) TI

165 / 282 page

7.9.5 Peripherals

7.9.5.1 VIN

Table 7-26, Figure 7-30, and Figure 7-31 present timing requirements for LVDSRX interface.

Table 7-25 presents timing conditions for LVDSRX.

Table 7-25. LVDSRX Timing Conditions

PARAMETER

MODE

MIN

MAX

UNIT

INPUT CONDITIONS

SRI

Input slew rate

1.8 V

1.3

2.64

V/ns

3.3 V

1.5

2.64

V/ns

PCB CONNECTIVITY REQUIREMENTS

td(Trace Mismatch Delay)

Propagation delay mismatch across all traces

Table 7-26. Timing Requirements for LVDSRX

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

tc(PCLK)

Cycle time, VIN0_PCLK

5.76

(1)

tw(PCLKH)

Pulse duration, VIN0_PCLK high

0.45 × P

(2)

tw(PCLKL)

Pulse duration, VIN0_PCLK low

0.45 × P

(2)

tsu(PCLK-CTL/DATA)

Input setup time, control (VIN0_HD, VIN0_VD) and data

(VIN0_DATA[15:0]) valid to VIN0_PCLK transition

2.42

th(CTL/DAT-PCLK)

Input hold time, VIN0_PCLK transition to control (VIN0_HD,

VIN0_VD) valid

0.52

(1)

For maximum frequency of 165 MHz

(2)

P = VIN0_PCLK period

CAL_CCDC_TIMINGS_01

VIN0_PCLK

Figure 7-30. LVDSRX Input Clock Signal

VIN0_PCLK

(Negative-edge clocking)

VIN_DATA[15:0]

CAL_CCDC_TIMINGS_02

VIN0_PCLK

(Positive-edge clocking)

Figure 7-31. LVDSRX Input Timings

7.9.5.2 CPSW2G

For more details about features and additional description information on the device Gigabit Ethernet MAC, see

the corresponding sections within Section 6.3, Signal Descriptions and Section 8, Detailed Description.

7.9.5.2.1 CPSW2G MDIO Interface Timings

Table 7-28, Table 7-29, and Figure 7-32 present timing requirements for MDIO.

Table 7-27 presents timing conditions for CPSW2G MDIO.

www.ti.com

AM6548, AM6528, AM6526

SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021

Submit Document Feedback

165

Product Folder Links: AM6548 AM6528 AM6526

AM6548 датащи(PDF) 165 Page - Texas Instruments

AM6548 датащи(HTML) 165 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL