AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 115

• 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

19.3
The User Interface of the EFC is integrated within the Memory Controller with Base Address: 0xFFFF FF00.
The AT91SAM7S512 is equipped with two EFCs, EFC0 and EFC1, as described in the Register Mapping tables and Reg-
ister descriptions that follow.
Table 19-3.
Table 19-4.
6175K–ATARM–30-Aug-10
Offset
0x60
0x64
0x68
0x6C
Offset
0x70
0x74
0x78
0x7C
Embedded Flash Controller (EFC) User Interface
(EFC0) Register Mapping
(EFC1) Register Mapping
Register
MC Flash Mode Register
MC Flash Command Register
MC Flash Status Register
Reserved
Register
MC Flash Mode Register
MC Flash Command Register
MC Flash Status Register
Reserved
AT91SAM7S Series Preliminary
MC_FMR
MC_FMR
MC_FCR
MC_FSR
MC_FCR
MC_FSR
Name
Name
–
–
Read-write
Read-write
Write-only
Read-only
Write-only
Read-only
Access
Access
–
–
Reset
Reset
0x0
0x0
–
–
–
–
–
–
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