AT32UC3B1128-AUT Atmel, AT32UC3B1128-AUT Datasheet - Page 318
AT32UC3B1128-AUT
Manufacturer Part Number
AT32UC3B1128-AUT
Description
IC MCU AVR32 128KB FLASH 48-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3B1128-AUT
Core Processor
AVR
Core Size
32-Bit
Speed
60MHz
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
28
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TQFP, 48-VQFP
Package
48TQFP
Device Core
AVR32
Family Name
AT32
Maximum Speed
60 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
28
Interface Type
I2S/SPI/TWI/USART/USB
On-chip Adc
6-chx10-bit
Number Of Timers
3
For Use With
ATSTK600-TQFP48 - STK600 SOCKET/ADAPTER 48-TQFPATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1101 - KIT DEV/EVAL FOR AVR32 AT32UC3B
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Figure 21-22. Timeguard Operations
21.6.3.11
32059K–03/2011
Baud Rate
TXEMPTY
TXRDY
Clock
Write
THR
TXD
Receiver Time-out
Start
Bit
D0
D1
Table 21-8
in relation to the function of the Baud Rate.
Table 21-8.
The Receiver Time-out provides support in handling variable-length frames. This feature detects
an idle condition on the RXD line. When a time-out is detected, the bit TIMEOUT in the Channel
Status Register (CSR) rises and can generate an interrupt, thus indicating to the driver an end of
frame.
The time-out delay period (during which the receiver waits for a new character) is programmed
in the TO field of the Receiver Time-out Register (RTOR). If the TO field is programmed at 0, the
Receiver Time-out is disabled and no time-out is detected. The TIMEOUT bit in CSR remains at
0. Otherwise, the receiver loads a counter with the value programmed in TO. This counter is
decremented at each bit period and reloaded each time a new character is received. If the coun-
ter reaches 0, the TIMEOUT bit in the Status Register rises. Then, the user can either:
D2
• Stop the counter clock until a new character is received. This is performed by writing the
Control Register (CR) with the STTTO (Start Time-out) bit at 1. In this case, the idle state on
RXD before a new character is received will not provide a time-out. This prevents having to
D3
D4
D5
Baud Rate
indicates the maximum length of a timeguard period that the transmitter can handle
115200
Bit/sec
14400
19200
28800
33400
56000
57600
1 200
9 600
D6
Maximum Timeguard Length Depending on Baud Rate
D7
Parity
Bit
Stop
Bit
TG = 4
Start
Bit
D0
Bit time
69.4
52.1
34.7
29.9
17.9
17.4
D1
833
104
8.7
µs
D2
D3
D4
D5
D6
D7
Parity
Bit
Stop
Bit
Timeguard
AT32UC3B
212.50
17.71
13.28
26.56
8.85
7.63
4.55
4.43
2.21
ms
TG = 4
318
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