UMFT12XEV FTDI, UMFT12XEV Datasheet - Page 7

• Manufacturer Part Number: UMFT12XEV
• Description: Interface Development Tools MAIN BOARD FOR EVAL FT120, FT121, FT122
• Manufacturer: FTDI
• Type: USB Controllersr

Specifications of UMFT12XEV

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: FT120, FT121, FT122
• Interface Type: SPI, UART
• Operating Supply Voltage: 5 V
• Description/function: Main board for evaluating FT120, FT121 and FT122 add-on modules

3.4
Figure 3-4 UMFT122DC daughter board
PIN No.
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
UMFT122DC daughter board
PIN NAME
D0
D1
D2
D3
VCCIO
GND
D4
D5
D6
D7
ALE
CS_n
GND
CLKOUT
RD_n
WR_n
DMREQ
DMACK_n
EOT_n
GL_n
A0
Copyright © 2012 Future Technology Devices International Limited
TYPE
OD
IO
IO
IO
IO
IO
IO
IO
IO
O
O
P
P
P
I
I
I
I
I
I
I
DESCRIPTION
Data bus bit 0.
Data bus bit 1.
Data bus bit 2.
Data bus bit 3.
IO Supply Voltage; 1.8V, 2.5V or 3.3V
Ground
Data bus bit 4.
Data bus bit 5.
Data bus bit 6.
Data bus bit 7.
Address latch enable for multiplexed address/data bus
configuration.
This pin must be pulled Low for non-multiplexed address/data
bus configuration.
Chip select (Active Low).
Ground
Programmable output clock.
Read enable (Active Low).
Write enable (Active Low).
DMA request.
DMA acknowledge (Active Low).
End of DMA transfer (Active Low). Also function as Vbus
sensing input for self-powered application.
USB bus activity indicator (Active Low)
Address bit for non-multiplexed address/data bus configuration.
- A0=1 indicates command phase;
- A0=0 indicates data phase.
Document Reference No.: FT_000728
FT12 Series Evaluation Kit Datasheet
Clearance No.: FTDI#
Version
314
1.0
7