AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 74

• 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: -

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
–