AT91SAM9261-CJ-999 Atmel, AT91SAM9261-CJ-999 Datasheet - Page 24
AT91SAM9261-CJ-999
Manufacturer Part Number
AT91SAM9261-CJ-999
Description
IC MCU ARM9 ULTRA LP 217LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9261-CJ-999.pdf
(749 pages)
Specifications of AT91SAM9261-CJ-999
Core Processor
ARM9
Core Size
16/32-Bit
Speed
190MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
DMA, LCD, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
32KB (32K x 8)
Program Memory Type
ROM
Ram Size
192K x 8
Voltage - Supply (vcc/vdd)
1.08 V ~ 1.32 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
217-LFBGA
For Use With
AT91SAM9261-EK - KIT EVAL FOR AT91SAM926EJ-SAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 24 of 749
- Download datasheet (12Mb)
9.2
9.3
9.4
9.5
24
Reset Controller
Shutdown Controller
General-purpose Backup Registers
Clock Generator
AT91SAM9261 Preliminary
Figure 9-2.
• Based on two Power-on-Reset cells
• Status of the last reset
• Controls the internal resets and the NRST pin output
• Shutdown and Wake-up logic:
• Four 32-bit general-purpose backup registers
• Embeds the Low-power 32768 Hz Slow Clock Oscillator
• Embeds the Main Oscillator
• Embeds Two PLLs
• Provides SLCK, MAINCK, PLLACK and PLLBCK.
– Either cold reset, first reset, soft reset, user reset, watchdog reset, wake-up reset
– Software programmable assertion of the SHDN pin
– Deassertion Programmable on a WKUP pin level change or on alarm
– Provides the permanent Slow Clock to the system
– Oscillator bypass feature
– Supports 3 to 20 MHz crystals
– Outputs 80 to 240 MHz clocks
– Integrates an input divider to increase output accuracy
– 1 MHz minimum input frequency
Clock Generator Block Diagram
XOUT32
PLLRCA
PLLRCB
XIN32
XOUT
XIN
Clock Generator
Management
Slow Clock
Controller
Oscillator
Oscillator
Divider A
Divider B
Status
PLL and
PLL and
Power
Main
Control
Slow Clock
SLCK
Main Clock
MAINCK
PLLA Clock
PLLACK
PLLB Clock
PLLBCK
6062M–ATARM–23-Mar-09
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