AT91R40807-33AI Atmel, AT91R40807-33AI Datasheet - Page 118
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
- Current page: 118 of 153
- Download datasheet (2Mb)
USART Baud Rate Generator Register
Name:
Access Type:Read/Write
Reset Value: 0
Offset:
• CD: Clock Divisor
This register has no effect if Synchronous Mode is selected with an external clock.
Notes:
118
2 to 65535
31
23
15
–
–
7
1. Clock divisor bypass (CD = 1) must not be used when internal clock MCK is selected (USCLKS = 0).
2. In Synchronous Mode, the value programmed must be even to ensure a 50:50 mark:space ratio.
CD
0
1
AT91X40 Series
US_BRGR
0x20
Effect
Disables Clock
Clock Divisor Bypass
Baud Rate (Asynchronous Mode) = Selected Clock / (16 x CD)
Baud Rate (Synchronous Mode) = Selected Clock / CD
30
22
14
–
–
6
29
21
13
–
–
5
(1)
28
20
12
–
–
4
CD
CD
27
19
11
–
–
3
(2)
26
18
10
–
–
2
25
17
–
–
9
1
1354D–ATARM–08/02
24
16
–
–
8
0
Related parts for AT91R40807-33AI
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
DEV KIT FOR AVR/AVR32
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
High-performance EE PLD
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
2-Wire Serial EEPROM
Manufacturer:
ATMEL Corporation
Datasheet: