AT91SAM7S32-AU-999 Atmel, AT91SAM7S32-AU-999 Datasheet - Page 634

• Manufacturer Part Number: AT91SAM7S32-AU-999
• Description: IC MCU ARM7 32KB FLASH 48LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S32-AU-999

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 21
• 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: 48-LQFP
• 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: -

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AT91SAM7S Series Preliminary
Two workarounds are possible.
1. Either do not use the Watchdog Timer with the Watchdog fault Interrupt enabled
2. or set WDD to 0xFFF and in addition use only one of the following values for WDV:
Problem Fix/Workaround
(WDFIEN set at 1),
0xFFF, 0xDFF, 0xBFF, 0x9FF, 0x7FF, 0x77F, 0x6FF, 0x67F, 0x5FF, 0x57F, 0x4FF,
0x47F, 0x3FF, 0x37F, 0x2FF, 0x27F, 0x1FF, 0x1BF, 0x17F, 0x13F, 0x0FF, 0x0DF, 0x0BF,
0x09F, 0x07F, 0x06F, 0x05F, 0x04F, 0x03F, 0x037, 0x02f, 0x027, 0x01F, 0x01B, 0x017,
0x013 and 0x00F.
6175K–ATARM–30-Aug-10