MPC8308VMAGD Freescale Semiconductor, MPC8308VMAGD Datasheet - Page 527
MPC8308VMAGD
Manufacturer Part Number
MPC8308VMAGD
Description
MPU POWERQUICC II PRO 473MAPBGA
Manufacturer
Freescale Semiconductor
Datasheets
1.MPC8308VMAGD.pdf
(90 pages)
2.MPC8308VMAGD.pdf
(2 pages)
3.MPC8308VMAGD.pdf
(1170 pages)
4.MPC8308VMAGD.pdf
(14 pages)
Specifications of MPC8308VMAGD
Processor Type
MPC83xx PowerQUICC II Pro 32-Bit
Speed
400MHz
Voltage
1V
Mounting Type
Surface Mount
Package / Case
473-MAPBGA
Product
Network Processor
Data Rate
256 bps
Frequency
400 MHz
Supply Voltage (max)
3.6 V
Supply Voltage (min)
3 V
Supply Current (max)
5 uA
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
0 C
Interface
I2C, JTAG, SPI
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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For some scenarios, the response timeout is expected. For instance, after all cards respond to CMD3 and
go to the standby state, no response to the host when CMD2 is sent. The host driver should manage false
errors similar to this with caution.
11.6.2
When a card is inserted to the socket or the card was reset by the host, the host needs to validate the
operation voltage range, identify the cards, and request the cards to publish the relative card address (RCA)
or to set the RCA for the MMCs.
11.6.2.1
See
eSDHC.
11.6.2.2
The host consists of the following three types of reset:
Freescale Semiconductor
•
•
•
•
•
•
Figure 11-26
Set IRQSIGEN[CINIEN] to enable card detection interrupt.
When an interrupt from eSDHC is received, check IRQSTAT[CINS] to see if it is caused by card
insertion.
Clear the IRQSIGEN[CINIEN] to disable card detection interrupt and ignore all card insertion
interrupt afterwards.
Hardware reset (card and host) which is driven by POR (power on reset).
Software reset (host only) is proceeded by the write operation on the SYSCTL[RSTD],
SYSCTL[RSTC], or SYSCTL[RSTA] bits to reset the data part, command part, or all parts of the
host controller, respectively.
Card reset (card only). The command CMD0, GO_IDLE_STATE, is the software reset command
for all types of MMCs and SD memory cards. This command sets each card into idle state
regardless of the current card state. For an SDIO card, CMD52 is used to write I/O reset in CCCR.
Card Identification Mode
Card Detect
Reset
for a flow diagram showing the detection of MMC, SDIO, and SD cards using the
MPC8308 PowerQUICC II Pro Processor Reference Manual, Rev. 0
Figure 11-26. Flow Diagram for Card Detection
Enable card detection IRQ
Clear CINSIEN to disable
Wait for eSDHC interrupt
card detection interrupt
Voltage validation
Check CINS bit
Yes, card present
No card present
(1)
(2)
Enhanced Secure Digital Host Controller
11-47
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