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PDF AT91C140-CI Data sheet ( Hoja de datos )
| Número de pieza | AT91C140-CI | |
| Descripción | AT91 ARM Thumb Microcontrollers | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• ARM7TDMI® ARM® Thumb® Processor Core
– In-Circuit Emulator, 36 MHz operation
• Ethernet Bridge
– Dual Ethernet 10/100 Mbps MAC Interface
– 16-Kbyte Frame Buffer
• 1 K-Byte Boot ROM, Embedding a Boot Program
– Enable Application Download from DataFlash®
• External Bus Interface
– On-chip 32-bit SDRAM Controller
– 4-Chip Select Static Memory Controller
• Multi-level Priority, Individually Maskable, Vectored Interrupt Controller
• Three 16-bit Timer/Counters
• Two UARTs with Modem Control Lines
• Serial Peripheral Interface (SPI)
• Two PIO Controllers, Managing up to 48 General-purpose I/O Pins
• Available in a 256-ball BGA Package
• Power Supplies
– VDDIO 3.3V nominal
– VDDCORE and VDDOSC 1.8V nominal
• -40°C to + 85°C Operating Temperature Range
AT91® ARM®
Thumb
Microcontrollers
AT91C140
Description
The AT91C140 is a member of the Atmel AT91 16- and 32-bit microcontroller family
based on the ARM7TDMI processor core. This processor has a high performance
32-bit RISC architecture with a high density 16-bit instruction set and very low power
consumption.
www.DataShIenet4Ua.cdomdition, the AT91C140 integrates a double Ethernet 10/100 base-T MAC capable
of operating as an Ethernet bridge, thus making it ideally suited for networking appli-
cations. It supports a wide range of memory devices such as SDRAM, SRAM and
Flash and embeds an extensive array of peripherals.
The device is manufactured using Atmel’s high-density CMOS technology. By combin-
ing the ARM7TDMI processor core with an expansive assortment of peripheral
functions and low-power oscillators and PLL on a monolithic chip, the Atmel
AT91C140 is a powerful microcontroller that provides a highly flexible and cost effec-
tive solution to many networking applications.
6069A–ATARM–05/04
1 page  
AT91C140
Mechanical Overview of
the 256-ball BGA
Package
Figure 2 below shows the orientation of the 256-ball BGA Package.
For a detailed mechanical description, see “Mechanical Characteristics and Packaging”
on page 162.
Figure 2. 256-ball BGA Package Orientation (Top View)
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
6069A–ATARM–05/04
5
5 Page 
Table 4. Signal Description (Continued)
Block
Signal Name
NTRST
TCK
In-Circuit Emulator
TMS
TDI
TDO
NRST
FIQ
IRQ0-IRQ1
PLLRC
Miscellaneous
XTALIN
XTALOUT
TST
DBW32
ACLKO
AT91C140
Function
Test Reset
Test Clock
Test Mode Select
Test Data Input
Test Data Output
Reset
Fast Interrupt
Interrupt Lines
PLL RC Filter
Crystal Input
External Crystal
Test Mode
External Data Bus Width for CS0 (1 = 32 bits)
ARM Clock Output
Type
Input
Input
Input
Input
Output
Input
Input
Input
Analog
Analog
Analog
Input
Input
Output
6069A–ATARM–05/04
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AT91C140-CI.PDF ] | |
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