ASFC datasheet(21/42 Pages) ALSC

tên linh kiện	ASFC

Giải thích chi tiết về linh kiện	Industrial embedded MMC 5.1 32 GBytes up to 128 GBytes

PDF	42 Pages

Scroll/Zoom	100%

nhà sản xuất	ALSC [Alliance Semiconductor Corporation]

Trang chủ	https://www.alliancememory.com

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21 / 42 page

Power supply eMMC

In the eMMC, VCC is used for the NAND flash device and its interface voltage; VCCQ is for the controller and the

MMC interface voltage as shown in Figure 13. The core regulator is optional and only required when internal

core logic voltage is regulated from VCCQ. A CReg capacitor must be connected to the VDDi terminal to stabilize

regulator output on the system.

Figure 13: eMMC Internal Power Diagram

eMMC Power Supply Voltages

The eMMC supports one or more combinations of VCC and VCCQ as shown in Table 18. The VCCQ must be defined at

equal to or less than VCC.

Table 18: eMMC Operating Voltage

Parameter

Symbol

Min.

Max.

Unit

Remarks

Supply voltage (NAND)

VCC

2.7

3.6

Supply voltage (I/O)

VCCQ

2.7

3.6

1.7

1.95

Supply power-up for 3.3V

tPRUH

Supply power-up for 1.8V

tPRUL

The eMMC must support at least one of the valid voltage configurations, and can optionally support all valid

voltage configurations (see Table 19).

Table 19: eMMC Voltage Combinations

VCCQ

1.7V–1.95V

2.7V–3.6V*

VCC

2.7V-3.6V

Valid

* VCCQ (I/O) 3.3 volt range is not supported in HS200 /HS400 devices

Confidential

-21

／42-

Rev.1.0 July 2023

32GB/64GB/128GB eMMC

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