AM67 datasheet(209/237 Pages) TI

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Table 6-123. OSPI0 Switching Characteristics – Tap SDR Mode

see Figure 6-105

NO.

PARAMETER

MODE

MIN

MAX

UNIT

tc(CLK)

Cycle time, OSPI0_CLK

tw(CLKL)

Pulse duration, OSPI0_CLK low

((0.475P(1)) - 0.3)

tw(CLKH)

Pulse duration, OSPI0_CLK high

((0.475P(1)) - 0.3)

O10

td(CSn-CLK)

Delay time, OSPI0_CSn[3:0] active edge

to OSPI0_CLK rising edge

((0.475P(1)) +

(0.975M(2)R(4)) - 1)

((0.525P(1)) +

(1.025M(2)R(4)) + 1)

O11

td(CLK-CSn)

Delay time, OSPI0_CLK rising edge to

OSPI0_CSn[3:0] inactive edge

((0.475P(1)) +

(0.975N(3)R(4)) - 1)

((0.525P(1)) +

(1.025N(3)R(4)) + 1)

O12

td(CLK-D)

Delay time, OSPI0_CLK active edge to

OSPI0_D[7:0] transition

- 4.25

7.25

(1)

P = SCLK cycle time in ns = OSPI0_CLK cycle time in ns

(2)

M = OSPI_DEV_DELAY_REG[D_INIT_FLD]

(3)

N = OSPI_DEV_DELAY_REG[D_AFTER_FLD]

(4)

R = reference clock cycle time in ns

OSPI_CLK

OSPI_TIMING_02

OSPI_CSn

O10

O11

O12

OSPI_D[i:0]

Figure 6-105. OSPI0 Switching Characteristics – Tap SDR, No Loopback

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AM67, AM67A

SPRSPA3A – MARCH 2024 – REVISED SEPTEMBER 2024

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