AT91FR40162-CI Atmel, AT91FR40162-CI Datasheet - Page 16

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AT91FR40162-CI

Manufacturer Part Number
AT91FR40162-CI
Description
IC ARM7 MCU 2M FLASH 121 PBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet

Specifications of AT91FR40162-CI

Core Processor
ARM7
Core Size
16/32-Bit
Speed
75MHz
Connectivity
EBI/EMI, UART/USART
Peripherals
WDT
Number Of I /o
32
Program Memory Size
2MB (1M x 16)
Program Memory Type
FLASH
Ram Size
256K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
121-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-

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7.9.3
7.9.4
7.9.5
7.10
7.10.1
7.10.2
16
User Peripherals
AT91FR40162
PIO: Parallel I/O Controller
WD: Watchdog
SF: Special Function
USART: Universal Synchronous/
Asynchronous Receiver Transmitter
TC: Timer Counter
The AT91FR40162 has 32 programmable I/O lines. Six pins are dedicated as general-purpose
I/O pins. Other I/O lines are multiplexed with an external signal of a peripheral to optimize the
use of available package pins. The PIO controller enables generation of an interrupt on input
change and insertion of a simple input glitch filter on any of the PIO pins.
The Watchdog is built around a 16-bit counter and is used to prevent system lock-up if the
software becomes trapped in a deadlock. It can generate an internal reset or interrupt, or
assert an active level on the dedicated pin NWDOVF. All programming registers are pass-
word-protected to prevent unintentional programming.
The AT91FR40162 provides registers that implement the following special functions.
The AT91FR40162 provides two identical, full-duplex, universal synchronous/asynchronous
receiver/transmitters.
Each USART has its own baud rate generator, and two dedicated Peripheral Data Controller
channels. The data format includes a start bit, up to 8 data bits, an optional programmable par-
ity bit and up to 2 stop bits.
The USART also features a Receiver Timeout register, facilitating variable length frame sup-
port when it is working with the PDC, and a Time-guard register, used when interfacing with
slow remote equipment.
The AT91FR40162 features a Timer Counter block that includes three identical 16-bit timer
counter channels. Each channel can be independently programmed to perform a wide range
of functions including frequency measurement, event counting, interval measurement, pulse
generation, delay timing and pulse width modulation.
The Timer Counter can be used in Capture or Waveform mode, and all three counter channels
can be started simultaneously and chained together.
• Chip Identification
• RESET Status
• Protect Mode
2632D–ATARM–15-Sep-05

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