HB28K032MM3 Renesas Electronics America, HB28K032MM3 Datasheet - Page 76
HB28K032MM3
Manufacturer Part Number
HB28K032MM3
Description
Manufacturer
Renesas Electronics America
Type
MultiMedia Cardr
Datasheet
1.HB28K032MM3.pdf
(91 pages)
Specifications of HB28K032MM3
Density
32MByte
Operating Supply Voltage (typ)
3.3V
Operating Temperature (min)
-25C
Operating Temperature (max)
85C
Package Type
Not Required
Mounting
Surface Mount
Pin Count
7
Operating Temperature Classification
Commercial
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Programmable
Yes
Lead Free Status / RoHS Status
Compliant
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HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Power on / off
Each card has its own power on detection circuitry which puts the card into a defined state after the power-
on. No explicit reset signal is necessary. The cards can also be reset by a special software command:
GO_IDLE_STATE (CMD0). In case of emergency the host may also reset the cards by switching the
power supply off and on again.
A power on reset is generated on chip as long as V
parser of these Renesas MultiMediaCards works properly but the access to the memory core is not
guaranteed. So in the power up phase (or when these Renesas MultiMediaCards are inserted during power
up) the host has to wait after sending SEND_OP_COND (CMD1) for the identification delay before the
ALL_SEND_CID (CMD2) can be interpreted by the card:
Rev.0.02, Sep.15.2004, page 76 of 89
Power up
detection
V
V
CC
SS
ASYNC.RESET
CLK CMD
MultiMediaCard controller
command
parser
Power on Detection
CC
ENABLE
is below a certain limit. After this reset the command
DAT
core
controller
memory
core
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