HB28D032MM2 datasheet(12/90 Pages) RENESAS

12 / 90 page

HB28H016/D032/B064/B128MM2

Rev.5.0, Jan. 2003, page 10 of 88

Card Identification (CID)

This register contains the card identification information used during the card identification procedure. It

is a 128 bit wide register, one-time programmable by the provider. It was programmed at the manufacture.

The CID is divided into eight slices:

CID Fields

Name

Field

Width

CID-slice

Note

Manufacturer ID

MID

[127:120]

OEM/Application ID

OID

[119:104]

Product name

PNM

[103:56]

Product revision

PRV

[55:48]

Product serial number

PSN

[47:16]

Manufacturing date

MDT

[15:8]

7-bit CRC checksum

CRC7

[7:1]

not used, always 1

—

[0:0]

Note:

1. The value of MID is 0x06.

The CID has to be error free. To ensure the correctness of the CID, a 7-bit CRC checksum is added to the

end of the CID. The CRC7 is computed according to chapter “Cyclic Redundancy Check (CRC)”.

Relative Card Address (RCA)

The 16-bit relative card address register carries the card address assigned by the host during the card

identification. This address is used for the addressed host to card communication after the card

identification procedure. The default value of the RCA register is 0x0001. The value 0x0000 is reserved

to set all cards in Standby State with the command SELECT_DESELECT_CARD (CMD7). The RCA is

programmed with the command SET_RELATIVE_ADDRESS (CMD3) during the initialization procedure.

The content of this register is lost after power down. The default value is assigned when an internal reset is

applied by the power up detection unit of these Hitachi MultiMediaCards, or when the command

GO_IDLE_STATE (CMD0) is detected by these Hitachi MultiMediaCards.

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