HB28E016MM2 Hitachi Semiconductor, HB28E016MM2 Datasheet - Page 9

• Manufacturer Part Number: HB28E016MM2
• Description: (HB28D032MM2 / HB28D016MM2 / HB28E016MM2 /HB28B128MM2) MultiMediaCard 16 Mbyte/32 Mbyte/64 Mbyte/128 MByte
• Manufacturer: Hitachi Semiconductor

Operation Condition Register (OCR)
This register indicates supported voltage range of these Hitachi MultiMediaCards. It is a 32 bit wide
register and for read only.
OCR Fields
OCR slice
D31
D[30-24]
D23
D22
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Field
Card power up status bit (Busy).
reserved
3.5 – 3.6V
3.4 – 3.5V
3.3 – 3.4V
3.2 – 3.3V
3.1 – 3.2V
3.0 – 3.1V
2.9 – 3.0 V
2.8 – 2.9V
2.7 – 2.8V
2.6 – 2.7V
2.5 – 2.6 V
2.4 – 2.5V
2.3 – 2.4V
2.2 – 2.3V
2.1 – 2.2V
2.0 – 2.1V
1.9 – 2.0 V
1.8 – 1.9V
1.7 – 1.8V
1.65 – 1.7V
1.60 – 1.65 V
1.55 – 1.60V
1.50 – 1.55V
1.45 – 1.50V
HB28E016/D032/D064/B128MM2
Value
0 or 1
0
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Note
9