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PDF FT903 Data sheet ( Hoja de datos )

Número de pieza FT903
Descripción Embedded Microcontroller
Fabricantes FTDI 
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FT900/1/2/3 Embedded Microcontroller Datasheet
Version 1.0
Document No.: FT_000965 Clearance No.: FTDI#421
Future Technology Devices
International Ltd.
FT900/1/2/3
(Embedded Microcontroller)
The FT900 series includes the FT900,
FT901, FT902 and FT903 which are
complete System-On-Chip 32-bit RISC
microcontrollers for embedded
applications featuring a high level of
integration and low power
consumption. It has the following
features:
High performance, low power 32-bit FT32 core
processor, running at a frequency of 100MHz.
256kB on-chip Flash memory.
256kB on-chip shadow program memory.
True Zero Wait States (0WS) up to 3.1 DMIPS
per MHz performance
64kB on-chip data memory.
EFUSE for security configuration.
Integrated Phase-Locked Loop (PLL) supports
external 12MHz crystal and direct external clock
source input.
32.768 kHz real time clock support.
One USB2.0 EHCI compatible host controller
supports high-speed (480 Mbit/s), full-speed
(12 Mbit/s), and low-speed (1.5 Mbit/s).
One USB2.0 peripheral controller supports high-
speed (480 Mbit/s) and full-speed (12 Mbit/s).
USB2.0 host and peripheral controllers support
the Isochronous, Interrupt, Control, and Bulk
transfers.
10/100 Mbps Ethernet that is compliant with the
IEEE 802.3/802.3u standards. (FT900 and
FT901 only)
Support One-Wire debugger download firmware
to Flash memory or shadow program memory,
and support software debugger.
Two CAN controllers support CAN protocol 2.0
parts A & B, data rate is up to 1 Mbit/s. (FT900
and FT902 only)
One SPI master supports single / dual / quad
modes of data transfer. Clock rate is up to 25
MHz
Two SPI slaves support single data transfer
with 25MHz clock.
Two I2C bus interfaces can be configured as
master or slave, which support standard / fast
/ fast plus / high speed mode data transfers.
Max data transfer rate up to 3.4 Mbit/s. Clock
stretching is supported.
I2S bus interface can be configured as master
or slave. Two clock input options (24.576 MHz
and 22.5792 MHz) to support I2S master mode
for different audio sample rates.
UART interface can be configured as one full
programmable UART0 or two simple UART0 and
UART1 with CTS / RTS control function.
Four user timers with pre-scaling and a
watchdog function.
8-bit parallel data interface supports camera
data capturing.
Support 7 independent PWM channels. Channel
0 and 1 can be configured as PCM 8-bit/16-bit
stereo audio output.
SD host controller is compatible to standard
specification V3.0, it supports up to 25 MHz SD
clock speed and software supports SD card
format in SD/SDHC/SDXC.
Support two 10-bit DAC 0/1 channels output,
sample rate at ~1 MS/s.
Support seven 10-bit ADC 1/7 channels input,
sample rate is up to ~960 kS/s.
Single 3.3 volt power supply, built-in 1.2 V
regulators.
3.3 volt I/O power supply.
Support USB Battery Charging Specification
Rev 1.2. Downstream port can be configured as
SDP, CDP or DCP. Upstream port can perform
BCD mode detection.
Support VBUS power switching and over
current control.
Power-On Reset (POR).
-40°C to 85°C extended operating temperature
range.
Available in compact Pb-free 100-Pin packages
(all RoHS compliant).
Copyright © 2014 Future Technology Devices International Limited
1

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FT903 pdf
Table of Contents
FT900/1/2/3 Embedded Microcontroller Datasheet
Version 1.0
Document No.: FT_000965 Clearance No.: FTDI#421
1 Typical Applications...................................................................... 3
1.1 Part Numbers...................................................................................... 3
1.2 USB2.0 Compliant ............................................................................... 3
2 FT900 Block Diagram.................................................................... 4
3 Device Pin Out and Signal Description .......................................... 8
3.1 Pin Out FT900 QFN-100 .................................................................. 8
3.2 Pin Out FT900 LQFP-100 ............................................................... 12
3.3 Pin Description ................................................................................. 16
4 Function Description................................................................... 24
4.1 Architectural Overview ..................................................................... 24
4.2 FT32 Core Processor ......................................................................... 24
4.3 256kB Flash Memory......................................................................... 24
4.4 Boot Sequence .................................................................................. 24
4.5 Interrupt........................................................................................... 25
4.6 Memory Mapping .............................................................................. 26
4.7 USB2.0 Host Controller ..................................................................... 27
4.7.1 Features:.................................................................................................................. 27
4.8 USB2.0 Peripheral Contoller.............................................................. 28
4.8.1 Features:.................................................................................................................. 28
4.9 Ethernet Controller ........................................................................... 28
4.9.1 Features:.................................................................................................................. 28
4.10 CAN Bus Controller......................................................................... 28
4.10.1 Features: .............................................................................................................. 29
4.11 Real Time Clock.............................................................................. 29
4.11.1 Features: .............................................................................................................. 29
4.12 One-Wire Debugger Interface ........................................................ 29
4.12.1 Features: .............................................................................................................. 29
4.13 SPI Interface ................................................................................. 29
4.13.1 Features: .............................................................................................................. 29
4.14 I2C Interface .................................................................................. 30
4.14.1 Features: .............................................................................................................. 30
4.15 UART Interface .............................................................................. 30
4.15.1 Features: .............................................................................................................. 30
4.16 Timers and Watchdog Timer .......................................................... 31
4.16.1 Features: .............................................................................................................. 31
4.17 I2S Interface .................................................................................. 31
Copyright © 2014 Future Technology Devices International Limited
5

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FT903 arduino
FT900/1/2/3 Embedded Microcontroller Datasheet
Version 1.0
Document No.: FT_000965 Clearance No.: FTDI#421
CAM_D0/GPIO17
GPIO18
SD_CLK/GPIO19
SD_CMD/GPIO20
SD_DATA3/GPIO21
SD_DATA2/GPIO22
SD_DATA1/GPIO23
SD_DATA0/GPIO24
SD_CD/GPIO25
SD_WP/GPIO26
SPIM_CLK/GPIO27
SPIM_SS0/GPIO28
SPIM_MOSI/GPIO29
SPIM_MISO/GPIO30
SPIM_IO2/GPIO31
SPIM_IO3/GPIO32
SPIM_SS1/GPIO33
SPIM_SS2/GPIO34
SPIM_SS3/GPIO35
SPIS0_CLK/GPIO36
SPIS0_SS/GPIO37
SPIS0_MOSI/GPIO38
SPIS0_MISO/GPIO39
SPIS1_CLK/GPIO40
SPIS1_SS/GPIO41
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
FTDI
XXXXXXXXXX
FT903Q
YYWW-X
75 HRREF
74 AGND
73 H_DP
72 H_DM
71 DRREF
70 D_DP
69 D_DM
68 VUSB3V3
67 VCC1V2
66 XIO
65 XI/CLKIN
64 VCCIO3V3
63 VOUT1
62 GPIO5
61 GPIO4
60 VBUS_DTC/GPIO3
59 PSW_N/GPIO2
58 OC_N/GPIO1
57 VBUS_DISCHG/GPIO0
56 I2SM_CLK24/GPIO66
55 I2SM_CLK22/GPIO65
54 I2S_MCLK/GPIO64
53 I2S_LRCLK/GPIO63
52 I2S_BCLK/GPIO62
51 I2S_SDAI/GPIO61
Figure 3-4 Pin Configuration FT903Q (top-down view)
Copyright © 2014 Future Technology Devices International Limited
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