hb28j128mm3 Renesas Electronics Corporation., hb28j128mm3 Datasheet - Page 67

• Manufacturer Part Number: hb28j128mm3
• Description: Multimediacard 32 Mbyte/64 Mbyte/128 Mbyte/256 Mbyte/512 Mbyte
• Manufacturer: Renesas Electronics Corporation.

HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Data Tokens
Read and write commands have data transfers associated with them. Data is being transmitted or received
via data tokens. All data bytes are transmitted MSB first. Data tokens are 4 to 2051 bytes long and have
the following format:
Format of the Start Data Block Tokens
Token Type
Start Block
Start Block
Start Block
Start Block
Stop Tran
Data Error Token
If a read operation fails and the card cannot provide the required data, it will send a data error token
instead. This token is one byte long and has the following format:
The 4 least significant bits (LSB) are the same error bits as in the response format R2.
Rev.0.02, Sep.15.2004, page 67 of 89
First byte: Start Byte
Bytes 2-2049 (depends on the data block length): User data
Last two bytes: 16-bit CRC.
Transaction Type
Single Block Read
Multiple Block Read
Single Block Write
Multiple Block Write
Multiple Block Write
7
0 0 0
Data Error Token
0
1
1
1
1
1
7
Error
CC Error
Card ECC failed
out of range
Card is locked
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Bit Position
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
0