AT32AP7002-CTUT Atmel, AT32AP7002-CTUT Datasheet - Page 536
AT32AP7002-CTUT
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
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Manufacturer
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Figure 28-7. Read Burst with Boundary Row Access
28.7.5
32054F–AVR32–09/09
SDRAMC_A[12:0]
D[15:0]
SDWE
SDCS
SDCK
RAS
CAS
SDRAM Controller Refresh Cycles
Col a
Row n
Col b
Dna
An auto refresh command is used to refresh the SDRAM device. Refresh addresses are gener-
ated internally by the SDRAM device and incremented after each auto refresh automatically.
The SDRAMC generates these auto refresh commands periodically. An internal timer is loaded
with the value in the Refresh Timer Register (TR) that indicates the number of clock cycles
between successive refresh cycles.
A refresh error interrupt is generated when the previous auto refresh command did not perform.
In this case a Refresh Error Status bit is set in the Interrupt Status Register (ISR.RES). It is
cleared by reading the ISR register.
When the SDRAMC initiates a refresh of the SDRAM device, internal memory accesses are not
delayed. However, if the CPU tries to access the SDRAM, the slave indicates that the device is
busy and the master is held by a wait signal. See
Col c
Dnb
Col d
Dnc
Dnd
T
RP
= 3
Row m
T
RCD
= 3
Figure 28-8 on page
Col a
CAS = 2
Col b
Dma
Col c
537.
Dmb
AT32AP7002
Col d
Dmc
Col e
Dmd
Dme
536
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