AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 74
AT91SAM7A1-AU
Manufacturer Part Number
AT91SAM7A1-AU
Description
IC ARM7 MCU 32BIT ROMLESS144LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7A1-AU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
40MHz
Connectivity
CAN, EBI/EMI, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
49
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
For Use With
AT91SAM7A1-EK - BOARD EVAL FOR AT91SAM7A1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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Manufacturer
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12.4.4
Name:
Access:
Address:
This register must only be used for debug purposes.
• TESTEN: Test Enable
0: Disable test mode (the internal TEST_ENABLE signal is driven low at peripherals input).
1: Enable test mode (the internal TEST_ENABLE signal is driven high at peripherals input).
• KEY[15:0]: Test Key for Test Mode Entry
TESTEN bit can only be set/reset if the correct KEY word is entered: KEY[15:0] = 0xD64A.
74
31
23
15
–
7
–
AT91SAM7A1
SFM Test Mode Register
SFM_TM
Read/Write
0xFFF00014
30
22
14
–
6
–
29
21
13
–
5
–
28
20
12
–
4
–
KEY[15:8]
KEY[7:0]
27
19
11
–
3
–
26
18
10
–
2
–
TESTEN
25
17
9
–
1
6048B–ATARM–29-Jun-06
24
16
8
0
–
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