FT121T-R FTDI, FT121T-R Datasheet - Page 44

• Manufacturer Part Number: FT121T-R
• Description: USB Interface IC USB CONTROLLER W/SPI SLAVE IC
• Manufacturer: FTDI

Specifications of FT121T-R

• Rohs: yes
• Product: USB 2.0
• Interface Type: SPI, USB
• Operating Supply Voltage: 4 V to 5.5 V
• Operating Supply Current: 3.9 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-16
• Minimum Operating Temperature: - 40 C

Document No.: FT_000648
FT121 ENHANCED USB DEVICE CONTROLLER WITH SPI SLAVE IC
Datasheet Version 1.0
312
Clearance No.: FTDI#
Table 6-8 Endpoint Configuration Register ..................................................................................... 23
Table 6-9 Interrupt Register Byte 1 ............................................................................................... 24
Table 6-10 Interrupt Register Byte 2 ............................................................................................. 24
Table 6-11 Interrupt Register Byte 3 (for Enhanced Mode) ............................................................... 25
Table 6-12 Interrupt Register Byte 4 (for Enhanced Mode) ............................................................... 25
Table 6-13 Endpoint Status Register ............................................................................................. 26
Table 6-14 Endpoint Last Transaction Status Register ..................................................................... 26
Table 6-15 Transaction error code ................................................................................................ 27
Table 6-16 Endpoint Buffer Status Register .................................................................................... 28
Table 6-17 Endpoint Control Register ............................................................................................ 29
Table 6-18 Frame Number LSB Register ........................................................................................ 30
Table 6-19 Frame Number MSB Register ........................................................................................ 30
Table 6-20 IO Pad Drive Strength Register ..................................................................................... 31
Table 8-1 Absolute Maximum Ratings ............................................................................................ 33
Table 8-2 Operating Voltage and Current ....................................................................................... 34
Table 8-3 digital I/O Pin Characteristics (VCCIO=+3.3V) ................................................................. 34
Table 8-4 digital I/O Pin Characteristics (VCCIO=+2.5V) ................................................................. 34
Table 8-5 digital I/O Pin Characteristics (VCCIO=+1.8V) ................................................................. 35
Table 8-6 USB I/O Pin (DP, DM) Characteristics .............................................................................. 35
Table 9-1 Reflow Profile Parameter Values ..................................................................................... 41
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