AT91SAM7S512-AU-999 Atmel, AT91SAM7S512-AU-999 Datasheet - Page 605
![IC MCU ARM7 512KB FLASH 64LQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
AT91SAM7S512-AU-999
Manufacturer Part Number
AT91SAM7S512-AU-999
Description
IC MCU ARM7 512KB FLASH 64LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7S512-AU-999
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K 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
64-LQFP
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
I2C, JTAG, SPI, USART
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
32
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7S-EK
Minimum Operating Temperature
- 40 C
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
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
- Current page: 605 of 779
- Download datasheet (11Mb)
40.5.1.6
40.5.1.7
40.5.1.8
40.5.1.9
40.5.1.10
40.5.1.11
6175K–ATARM–30-Aug-10
ADC: GOVRE Bit is not Set when Disabling a Channel
ADC: EOC Set although Channel Disabled
ADC: Spurious Clear of EOC Flag
ADC: Sleep Mode
ADC: GOVRE Bit is not Set when Reading CDR
ADC: OVRE Flag Behavior
When reading CDRy (Channel Data Register y) at the same instant as an end of conversion on
channel “x” with the following conditions:
GOVRE should be set but is not.
None
When disabling channel “y” at the same instant as an end of conversion on channel “x”, EOC[x]
and DRDY being already active, GOVRE does not rise.
Note:
None
When the OVRE flag (on channel i) has been set but the related EOC status (of channel i) has
been cleared (by a read of CDRi or LCDR), reading the Status register at the same instant as an
end of conversion (causing the set of EOC status on channel i), does not lead to a reset of the
OVRE flag (on channel i) as expected.
None
If a channel is disabled while a conversion is running and if a read of CDR is performed at the
same time as an end of conversion of any channel occurs, the EOC of the channel with the con-
version running may rise (whereas it has been disabled).
Do not take into account the EOC of a disabled channel
If “x” and “y” are two successively converted channels and “z” is yet another enabled channel
(“z” being neither “x” nor “y”), reading CDR on channel “z” at the same instant as an end of con-
version on channel “y” automatically clears EOC[x] instead of EOC[z].
None.
If Sleep mode is activated while there is no activity (no conversion is being performed), it will
take effect only after a conversion occurs.
• EOC[x] already active,
• DRDY already active,
• GOVRE inactive,
• previous data stored in LCDR being neither data from channel “y”, nor data from channel “x”.
Problem Fix/Workaround
Problem Fix/Workaround
Problem Fix/Workaround:
Problem Fix/Workaround
Problem Fix/Workaround
OVRE[x] rises as expected.
AT91SAM7S Series Preliminary
605
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