IMX6SDLCEC datasheet(64/169 Pages) NXP

64 / 169 page

i.MX 6Solo/6DualLite Applications Processors for Consumer Products, Rev. 9, 11/2018

NXP Semiconductors

Electrical Characteristics

4.10

General-Purpose Media Interface (GPMI) Timing

The i.MX 6Solo/6DualLite GPMI controller is a flexible interface NAND Flash controller with 8-bit data

width, up to 200 MB/s I/O speed and individual chip select.

It supports Asynchronous timing mode, Source Synchronous timing mode and Samsung Toggle timing

mode separately described in the following subsections.

4.10.1

Asynchronous Mode AC Timing (ONFI 1.0 Compatible)

Asynchronous mode AC timings are provided as multiplications of the clock cycle and fixed delay. The

maximum I/O speed of GPMI in asynchronous mode is about 50 MB/s. Figure 25 through Figure 28

depicts the relative timing between GPMI signals at the module level for different operations under

asynchronous mode. Table 46 describes the timing parameters (NF1–NF17) that are shown in the figures.

Figure 25. Command Latch Cycle Timing Diagram

Table 45. i.MX 6DualLite Supported DDR3/DDR3L/LPDDR2 Configurations

Parameter

LPDDR2

(Dual channel)

LPDDR2

(Single channel)

DDR3

DDR3L

Clock frequency

400 MHz

Bus width

32-bit per channel

16/32-bit

16/32/64-bit

Channel

Dual

Single

Chip selects

2 per channel

Command

NF8

NF9

NF7

NF6

NF5

NF2

NF1

NF3

NF4

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