AT91R40807-33AI Atmel, AT91R40807-33AI Datasheet - Page 15
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
Peripheral Signals
USART Signals
1367C–01/02
The inputs must meet the minimum pulse width and period constraints shown in Table 14 and
Table 15, and represented in Figure 6.
Table 14. USART Asynchronous Mode Input Minimum Pulse Width
Table 15. USART Minimum Input Period
Figure 6. USART Signals
Symbol
US
Symbol
US
1
2
RXD
SCK
Parameter
SCK/RXD Minimum Pulse Width
Parameter
SCK Minimum Input Period
US
1
US
1
Min Input Period
Min Pulse Width
US
9(t
5(t
2
CP
CP
/2)
/2)
AT91R40807
Units
Units
ns
ns
15