Transcend TS8GUSDHC10 Datasheet download pdf (Page 12)

High Capacity microSD Class10 Card

Transcend Information Inc.

1) This bit is valid only when the card power up status bit is set.

2) This bit is set to LOW if the card has not finished the power up routine.

A voltage range is not supported if the corresponding bit value is set to LOW. As long as the card is busy, the

corresponding bit (31) is set to LOW.

2. CID Register

The Card IDentification (CID) register is 128 bits wide. It contains the card identification information used during the

card identification phase. Every individual flash card shall have a unique identification number. The structure of the CID

•

MID

An 8-bit binary number that identifies the card manufacturer. The MID number is controlled, defined, and allocated to a

SD Memory Card manufacturer by the SD-3C, LLC. This procedure is established to ensure uniqueness of the CID

•

OID

A 2-character ASCII string that identifies the card OEM and/or the card contents (when used as a distribution media

either on ROM or FLASH cards). The OID number is controlled, defined, and allocated to a SD Memory Card

manufacturer by the SD-3C, LLC. This procedure is established to ensure uniqueness of the CID register.

Note: SD-3C, LLC licenses companies that wish to manufacture and/or sell SD Memory Cards, including but not limited to flash memory,

ROM, OTP, RAM, and SDIO Combo Cards.

SD-3C, LLC is a limited liability company established by Matsushita Electric Industrial Co. Ltd., SanDisk Corporation and Toshiba

Corporation.

•

PNM

The product name is a string, 5 ASCII characters long.

•

PRV

The product revision is composed of two Binary Coded Decimal (BCD) digits, four bits each, representing an “n.m”

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Transcend TS8GUSDHC10 Datasheet Page 12