AT91SAM7S32-AU-999 Atmel, AT91SAM7S32-AU-999 Datasheet - Page 271

• 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: -

28.6.3.1
6175K–ATARM–30-Aug-10
Master Mode Block Diagram
Figure 28-5. Master Mode Block Diagram
NPCS0
MISO
MCK
SPI_MR
SPI_TDR
PCS
PCS
MSTR
SPI_CSR0..3
SPI_CSR0..3
PS
LSB
Baud Rate Generator
0
1
NCPHA
CPOL
BITS
AT91SAM7S Series Preliminary
SCBR
PCSDEC
SPI_CSR0..3
Shift Register
CSAAT
Clock
SPI
SPI_RDR
SPI_TDR
Peripheral
Current
MODFDIS
RD
TD
SPI_RDR
MSB
OVRES
PCS
RDRF
TDRE
MODF
NPCS3
NPCS2
NPCS1
NPCS0
SPCK
MOSI
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