FT120Q Ver la hoja de datos (PDF) - Future Technology
Número de pieza
componentes Descripción
Fabricante
FT120Q Datasheet PDF : 40 Pages
| |||
3.3 Pin Description
Document No.: FT_000646
FT120 USB DEVICE CONTROLLER WITH PARALLEL BUS IC
Datasheet Version 1.2
Clearance No.: FTDI# 291
PIN No.
(TSSOP-
28)
PIN No.
(QFN-
28)
PIN NAME
1
26
DATA0
2
27
DATA1
3
28
DATA2
4
1
DATA3
5
21
GND
6
2
DATA4
7
3
DATA5
8
4
DATA6
9
5
DATA7
10
6
ALE
11
7
CS_n
12
8
SUSPEND
13
9
CLKOUT
14
10
INT_n
15
11
RD_n
16
12
WR_n
17
13
DMREQ
18
14
DMACK_n
19
15
EOT_n
20
16
RESET_n
21
17
GL_n
22
18
OSCI
23
19
OSCO
TYPE DESCRIPTION
IO
IO
IO
IO
P
IO
IO
IO
IO
I
I
I,OD
O
OD
I
I
O
I
I
I
OD
I
O
Data bus bit 0.
Data bus bit 1.
Data bus bit 2.
Data bus bit 3.
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).
Device suspend (output) and wakeup (input).
Programmable output clock.
Interrupt (Active Low).
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. _n_n_n_n
Asynchronous reset (Active Low).
USB bus activity indicator (Active Low)
Crystal connection input (6MHz); alternatively, a
1.8V square wave clock can be applied.
Crystal connection output (6MHz) ; if the external
clock signal is connected to OSCI, then OSCO
Copyright © 2014 Future Technology Devices International Limited
7
Share Link: 