FT221XQ-T FTDI, FT221XQ-T Datasheet - Page 31

• Manufacturer Part Number: FT221XQ-T
• Description: USB Interface IC USB to 8 bit SPI / FT1248 IC QFN-20
• Manufacturer: FTDI

Specifications of FT221XQ-T

• Rohs: yes
• Tradename: X-Chip

Figure 8.2 FT1248 8- bit write timing diagram
MIOSIO[5]
MIOSIO[4]
MIOSIO[6]
MIOSIO[3]
MIOSIO[7]
MIOSIO[0]
MIOSIO[1]
MIOSIO[2]
MISO
SS_n
Copyright © 2013 Future Technology Devices International Limited
CLK
BUS TURNAROUND
RXF#
TXE#
COMMAND PHASE
CMD1
CMD0
CMD2
CMD3
X
0
0
0
BUS TURNAROUND
TXE#
Document No.: FT_000630 Clearance No.: FTDI# 263
ACK
B2
WRITE DATA 1
B5
B7
B4
B6
B3
B1
B0
B2
B7
B5
B0
B4
B1
B6
B3
ACK
TXE#
BUS TURNAROUND
RXF#
Version 1.2
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