AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 89

• 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: -

13.3.11
Name:
Access:
Address:
This register can only be accessed in test mode.
• CTPR[15:0]: Counter Test Preload Register
This register is used to preload the initial value of the counter in test mode. It is not readable (if a read is attempted the
value is undefined) and it can only be accessed in test mode. After reset, CTPR[15:0] is initialized to 0x0FFF.
6048B–ATARM–29-Jun-06
31
23
15
–
–
7
WD Preload Test Register
WD_PTR
Write-only
0xFFFA0088
30
22
14
–
–
6
29
21
13
–
–
5
28
20
12
–
–
4
CTPR[15:8]
CTPR[7:0]
27
19
11
–
–
3
26
18
10
–
–
2
AT91SAM7A1
25
17
–
–
9
1
24
16
–
–
8
0
89