AT32UC3B1128-AUT Atmel, AT32UC3B1128-AUT Datasheet - Page 122
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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14.4.5
14.4.6
32059K–03/2011
Quick Page Read
Write page buffer operations
The flash controller supports flash blocks with up to 2^21 word addresses, as displayed in
14-1. Reading the memory space between address pw and 2^21-1 returns an undefined result.
The User page is permanently mapped to word address 2^21.
Table 14-1.
Figure 14-1. Memory map for the Flash memories
A dedicated command, Quick Page Read (QPR), is provided to read all words in an addressed
page. All bits in all words in this page are AND’ed together, returning a 1-bit result. This result is
placed in the Quick Page Read Result (QPRR) bit in Flash Status Register (FSR). The QPR
command is useful to check that a page is in an erased state. The QPR instruction is much
faster than performing the erased-page check using a regular software subroutine.
The internal memory area reserved for the embedded flash can also be written through a write-
only page buffer. The page buffer is addressed only by the address bits required to address w
words (since the page buffer is word addressable) and thus wrap around within the internal
memory area address space and appear to be repeated within it.
When writing to the page buffer, the PAGEN field in the
updated with the page number corresponding to page address of the latest word written into the
page buffer.
Memory type
Main array
User
User page addresses
2 ^ 2 1 + 1 2 8
A ll a d d r e s s e s a r e w o r d a d d r e s s e s
Start address, byte sized
0
2^23 = 8388608
p w - 1
2 ^ 2 1
p w
F la s h w it h
e x t r a p a g e
0
U n u s e d
U s e r p a g e
Size
pw words = 4pw bytes
w words = 4w bytes
Flash Command register (
AT32UC3B
FCMD) is
Figure
122
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