AT91R40807-33AI Atmel, AT91R40807-33AI Datasheet - Page 120
AT91R40807-33AI
Manufacturer Part Number
AT91R40807-33AI
Description
IC ARM7 MCU 176 TQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91R40807-33AC.pdf
(19 pages)
2.AT91R40807-33AC.pdf
(20 pages)
3.AT91R40807-33AI.pdf
(153 pages)
Specifications of AT91R40807-33AI
Core Processor
ARM7
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, UART/USART
Peripherals
WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
136K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91R40807-33AI
Manufacturer:
ATMEL
Quantity:
1 831
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USART Receive Pointer Register
Name:
Access Type:Read/Write
Reset Value: 0
Offset:
• RXPTR: Receive Pointer
RXPTR must be loaded with the address of the receive buffer.
USART Receive Counter Register
Name:
Access Type:Read/Write
Reset Value: 0
Offset:
• RXCTR: Receive Counter
RXCTR must be loaded with the size of the receive buffer.
0: Stop Peripheral Data Transfer dedicated to the receiver.
1 - 65535: Start Peripheral Data transfer if RXRDY is active.
120
31
23
15
31
23
15
–
–
7
7
AT91X40 Series
US_RPR
0x30
US_RCR
0x34
30
22
14
30
22
14
6
–
–
6
29
21
13
29
21
13
5
–
–
5
4920
28
20
12
28
12
–
–
4
4
RXCTR
RXCTR
RXPTR
RXPTR
RXPTR
RXPTR
27
19
27
19
11
11
–
–
3
3
26
18
10
26
18
10
2
–
–
2
25
17
25
17
9
1
–
–
9
1
1354D–ATARM–08/02
24
16
24
16
–
–
8
0
8
0
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