AT91M40800-33AU Atmel, AT91M40800-33AU Datasheet - Page 112

• Manufacturer Part Number: AT91M40800-33AU
• Description: IC ARM7 MCU 100 LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91M40800-33AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Package: 100TQFP
• Device Core: ARM7TDMI
• Family Name: 91M
• Maximum Speed: 33 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 32
• Interface Type: EBI/USART
• Number Of Timers: 3
• Processor Series: AT91Mx
• Core: ARM7TDMI
• Data Ram Size: 8 KB
• Maximum Clock Frequency: 33 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
• Minimum Operating Temperature: - 40 C
• Eeprom Memory: 0 Bytes
• Input Output: 32
• Interface: EBI/EMI, UART/USART
• Ios: 32
• Memory Type: ROMless
• Number Of Bits: 32
• Package Type: 100-pin LQFP
• Programmable Memory: 0 Bytes
• Timers: 3-16-bit
• Voltage, Range: 1.8-3.6 V
• Cpu Family: 91M
• Device Core Size: 32b
• Frequency (max): 33MHz
• Program Memory Size: Not Required
• Total Internal Ram Size: 8KB
• # I/os (max): 32
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 1.8V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

USART Interrupt Enable Register
Name:
Access Type:Write Only
Offset:
• RXRDY: Enable RXRDY Interrupt (Code Label US_RXRDY)
0 = No effect.
1 = Enables RXRDY Interrupt.
• TXRDY: Enable TXRDY Interrupt (Code Label US_TXRDY)
0 = No effect.
1 = Enables TXRDY Interrupt.
• RXBRK: Enable Receiver Break Interrupt (Code Label US_RXBRK)
0 = No effect.
1 = Enables Receiver Break Interrupt.
• ENDRX: Enable End of Receive Transfer Interrupt (Code Label US_ENDRX)
0 = No effect.
1 = Enables End of Receive Transfer Interrupt.
• ENDTX: Enable End of Transmit Interrupt (Code Label US_ENDTX)
0 = No effect.
1 = Enables End of Transmit Interrupt.
• OVRE: Enable Overrun Error Interrupt (Code Label US_OVRE)
0 = No effect.
1 = Enables Overrun Error Interrupt.
• FRAME: Enable Framing Error Interrupt (Code Label US_FRAME)
0 = No effect.
1 = Enables Framing Error Interrupt.
• PARE: Enable Parity Error Interrupt (Code Label US_PARE)
0 = No effect.
1 = Enables Parity Error Interrupt.
• TIMEOUT: Enable Time-out Interrupt (Code Label US_TIMEOUT)
0 = No effect.
1 = Enables Reception Time-out Interrupt.
• TXEMPTY: Enable TXEMPTY Interrupt (Code Label US_TXEMPTY)
0 = No effect.
1 = Enables TXEMPTY Interrupt.
112
PARE
31
23
15
–
–
–
7
AT91X40 Series
US_IER
0x08
FRAME
30
22
14
–
–
–
6
OVRE
29
21
13
–
–
–
5
ENDTX
28
20
12
–
–
–
4
ENDRX
27
19
11
–
–
–
3
RXBRK
26
18
10
–
–
–
2
TXEMPTY
TXRDY
25
17
–
–
9
1
1354D–ATARM–08/02
TIMEOUT
RXRDY
24
16
–
–
8
0