AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 210

• Manufacturer Part Number: AT91SAM7SE256B-AUR
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-AUR

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Processor Series: SAM7SE256
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 88
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Processor To Be Evaluated: AT91SAM7SE256B
• Supply Current (max): 60 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

23.7
Table 23-8.
210
Offset
0x24 - 0xFC
0x0C
0x1C
0x00
0x04
0x08
0x10
0x14
0x18
0x20
SDRAM Controller (SDRAMC) User Interface
SAM7SE512/256/32 Preliminary
SDRAM Controller Memory Mapping
Register
SDRAMC Mode Register
SDRAMC Refresh Timer Register
SDRAMC Configuration Register
SDRAMC Self Refresh Register
SDRAMC Low Power Register
SDRAMC Interrupt Enable Register
SDRAMC Interrupt Disable Register
SDRAMC Interrupt Mask Register
SDRAMC Interrupt Status Register
Reserved
SDRAMC_SRR
SDRAMC_LPR
SDRAMC_IDR
SDRAMC_IMR
SDRAMC_IER
SDRAMC_ISR
SDRAMC_MR
SDRAMC_TR
SDRAMC_CR
Name
–
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Write-only
Write-only
Write-only
Read-only
Access
–
6222F–ATARM–14-Jan-11
0x2A99C140
0x00000010
0x00000800
Reset State
0x0
0x0
0x0
–
–
–
–