AT91SAM7SE256B-AU Atmel, AT91SAM7SE256B-AU Datasheet - Page 282
AT91SAM7SE256B-AU
Manufacturer Part Number
AT91SAM7SE256B-AU
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256B-AU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
EBI/EMI, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
88
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Core
ARM7TDMI
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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282
SAM7SE512/256/32 Preliminary
Figure 29-4. Switch Master Clock from Main Clock to Slow Clock
Figure 29-5. Change PLL Programming
Write PMC_MCKR
Write CKGR_PLLR
Master Clock
Master Clock
Main Clock
Slow Clock
Main Clock
PLL Clock
MCKRDY
MCKRDY
LOCK
Main Clock
6222F–ATARM–14-Jan-11
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