AT91SAM7SE256-AU Atmel, AT91SAM7SE256-AU Datasheet - Page 668

• Manufacturer Part Number: AT91SAM7SE256-AU
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256-AU

• 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: 128-LQFP
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, TWI, USART
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 88
• Number Of Timers: 2
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM7SE-EK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 88
• Ram Memory Size: 32KB
• Cpu Speed: 48MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• For Use With: AT91SAM7SE-EK - EVAL BOARD FOR AT91SAM7SEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

20 Fast Flash Programming Interface (FFPI) .......................................... 117
21 External Bus Interface (EBI) ................................................................ 135
22 Static Memory Controller (SMC) ......................................................... 161
23 SDRAM Controller (SDRAMC) ............................................................. 199
24 Error Corrected Code Controller (ECC) ............................................. 219
iv
20.1 Overview ............................................................................................................117
20.2 Parallel Fast Flash Programming ......................................................................118
20.3 Serial Fast Flash Programming .........................................................................128
21.1 Overview ............................................................................................................135
21.2 Block Diagram ...................................................................................................136
21.3 I/O Lines Description .........................................................................................137
21.4 Application Example ..........................................................................................138
21.5 Product Dependencies ......................................................................................141
21.6 Functional Description .......................................................................................141
21.7 Implementation Examples .................................................................................148
21.8 External Bus Interface (EBI) User Interface ......................................................157
22.1 Overview ............................................................................................................161
22.2 Block Diagram ...................................................................................................161
22.3 I/O Lines Description .........................................................................................162
22.4 Multiplexed Signals ............................................................................................162
22.5 Product Dependencies ......................................................................................163
22.6 Functional Description .......................................................................................163
22.7 Static Memory Controller (SMC) User Interface ................................................195
23.1 Overview ............................................................................................................199
23.2 Block Diagram ...................................................................................................199
23.3 I/O Lines Description .........................................................................................200
23.4 Application Example ..........................................................................................200
23.5 Product Dependencies ......................................................................................202
23.6 Functional Description .......................................................................................204
23.7 SDRAM Controller (SDRAMC) User Interface ..................................................210
24.1 Overview ............................................................................................................219
24.2 Block Diagram ...................................................................................................219
24.3 Functional Description .......................................................................................220
24.4 ECC User Interface ...........................................................................................224
SAM7SE512/256/32 Preliminary
6222F–ATARM–14-Jan-11