mcf5249 Freescale Semiconductor, Inc, mcf5249 Datasheet - Page 203
mcf5249
Manufacturer Part Number
mcf5249
Description
Coldfire Integrated Microprocessor
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF5249.pdf
(454 pages)
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write to CMD register
sclk_out
bitcounter
sdio_out
bs_pin
sdio_in
shift_busy
int_level
0
Memory Stick interface timing diagram for cmd_reg(19:16) = 1000
(Wait for INT from stick)
Freescale Semiconductor, Inc.
Program flow diagram for INT transfer to MemoryStick
write cmd_reg(20): new value on BS pin
write cmd_reg(21): 0
For More Information On This Product,
write cmd_reg(19:0) = 80000h
Go to: www.freescale.com
int_level = 1 ? or
rising edge on int_level ?
wait for 5 sclk clock periods
turn off sclk clock
(turning clock off is option)
INT found
end
YES
NO
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