mcf5249 Freescale Semiconductor, Inc, mcf5249 Datasheet - Page 201

• Manufacturer Part Number: mcf5249
• Description: Coldfire Integrated Microprocessor
• Manufacturer: Freescale Semiconductor, Inc

write to CMD register
rcv_data_reg_full
sclk_out
bitcounter
sdio_out
bs_pin
sdio_in
shift_busy
0
NO
48
Memory Stick interface timing diagram for cmd_reg(19:16) = 0001
(Read data from stick)
read bit crc_is_0 in status reg
Freescale Semiconductor, Inc.
rcv_data_reg full ?
read rcv_data_reg
For More Information On This Product,
end
YES
Go to: www.freescale.com
47
YES
write cmd_reg(19:16) = 0001
write cmd_reg(15:0) : no. of bits to read from stick
write cmd_reg(20): new value on BS pin
write cmd_reg(21): 0
46
cmd_reg(15:0) = 0 ? or
fall. edge on shiftBusy ?
47
rcv_data_reg full ?
read rcv_data_reg
45
33
NO
YES
33
32
32
31
31
NO
30
1
1
0
0