AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 595

• Manufacturer Part Number: AT91SAM7S321-AU
• Description: IC ARM7 MCU FLASH 32K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S321-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: 64-LQFP
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 8 KB
• Interface Type: I2C, I2S, SPI, SSC, TWI, UART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 10 bit
• Operating Supply Voltage: 1.8 V to 3.3 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, AT91SAM7S-EK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Controller Family/series: AT91SAM7xxxx
• No. Of I/o's: 32
• Ram Memory Size: 8KB
• Cpu Speed: 55MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

596
AT91SAM7S Series Preliminary
19 Memory Controller (MC) ...................................................................... 119
20 Embedded Flash Controller (EFC) ..................................................... 127
21 Fast Flash Programming Interface (FFPI) .......................................... 145
22 AT91SAM7 Boot Program ................................................................... 165
23 Peripheral DMA Controller (PDC) ....................................................... 173
24 Advanced Interrupt Controller (AIC) .................................................. 183
19.1
19.2
19.3
19.4
20.1
20.2
20.3
21.1
21.2
21.3
22.1
22.2
22.3
22.4
22.5
22.6
23.1
23.2
23.3
23.4
24.1
24.2
24.3
24.4
24.5
24.6
24.7
24.8
Overview .........................................................................................................119
Block Diagram .................................................................................................119
Functional Description .....................................................................................120
Memory Controller (MC) User Interface ..........................................................123
Overview ........................................................................................................127
Functional Description .....................................................................................127
Embedded Flash Controller (EFC ) User Interface ..........................................137
Overview .........................................................................................................145
Parallel Fast Flash Programming ....................................................................146
Serial Fast Flash Programming .......................................................................157
Description ......................................................................................................165
Flow Diagram ..................................................................................................165
Device Initialization with USB ..........................................................................166
Device Initialization without USB .....................................................................166
SAM-BA Boot ..................................................................................................167
Hardware and Software Constraints ...............................................................171
Overview .........................................................................................................173
Block Diagram .................................................................................................173
Functional Description .....................................................................................174
Peripheral DMA Controller (PDC) User Interface ...........................................176
Overview .........................................................................................................183
Block Diagram .................................................................................................183
Application Block Diagram ..............................................................................184
AIC Detailed Block Diagram ............................................................................184
I/O Line Description .........................................................................................184
Product Dependencies ....................................................................................185
Functional Description .....................................................................................186
Advanced Interrupt Controller (AIC) User Interface .........................................198
6175G–ATARM–22-Nov-06