AT32AP7002-CTUT Atmel, AT32AP7002-CTUT Datasheet - Page 526

• Manufacturer Part Number: AT32AP7002-CTUT
• Description: IC MCU 32BIT AVR32 196-CBGA
• Manufacturer: Atmel
• Series: AVR®32 AP7r

Specifications of AT32AP7002-CTUT

• Core Processor: AVR
• Core Size: 32-Bit
• Speed: 150MHz
• Connectivity: EBI/EMI, I²C, MMC, PS2, SPI, SSC, UART/USART, USB
• Peripherals: AC'97, DMA, I²C, LCD, POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: D/A 2x16b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 196-CBGA
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: I2C, JTAG, PS2, SPI, SSC, UART, USART, USB
• Maximum Clock Frequency: 150 MHz
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Dac: 16 bit, 2 Channel
• Package: 196CTBGA
• Device Core: AVR32
• Family Name: AT32
• Maximum Speed: 150 MHz
• Operating Supply Voltage: 1.8|3.3 V
• For Use With: ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATNGW100 - KIT AVR32 NETWORK GATEWAYATSTK1000 - KIT STARTER FOR AVR32AP7000
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

28. SDRAM Controller (SDRAMC)
28.1
28.2
32054F–AVR32–09/09
Features
Overview
Rev: 2.0.0.3
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The SDRAM Controller (SDRAMC) extends the memory capabilities of a chip by providing the
interface to an external 16-bit or 32-bit SDRAM device. The page size supports ranges from
2048 to 8192 and the number of columns from 256 to 2048. It supports byte (8-bit), halfword (16-
bit) and word (32-bit) accesses.
The SDRAMC supports a read or write burst length of one location. It keeps track of the active
row in each bank, thus maximizing SDRAM performance, e.g., the application may be placed in
one bank and data in the other banks. So as to optimize performance, it is advisable to avoid
accessing different rows in the same bank.
The SDRAMC supports a CAS latency of one, two, or three and optimizes the read access
depending on the frequency.
The different modes available (self refresh, power-down, and deep power-down modes) mini-
mize power consumption on the SDRAM device.
256-Mbytes address space
Numerous configurations supported
Programming facilities
Energy-saving capabilities
Error detection
SDRAM power-up initialization by software
CAS latency of one, two, and three supported
Auto Precharge command not used
– 2K, 4K, 8K row address memory parts
– SDRAM with two or four internal banks
– SDRAM with 16- or 32-bit data path
– Word, halfword, byte access
– Automatic page break when memory boundary has been reached
– Multibank ping-pong access
– Timing parameters specified by software
– Automatic refresh operation, refresh rate is programmable
– Automatic update of DS, TCR and PASR parameters (mobile SDRAM devices)
– Self-refresh, power-down, and deep power-down modes supported
– Supports mobile SDRAM devices
– Refresh error interrupt
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