AT91SAM7S32B-AU Atmel, AT91SAM7S32B-AU Datasheet - Page 772

• Manufacturer Part Number: AT91SAM7S32B-AU
• Description: IC MCU ARM7 32KB FLASH 48LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S32B-AU

• 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
• Cpu Family: 91S
• Device Core: ARM7TDMI
• Device Core Size: 32b
• Frequency (max): 55MHz
• Interface Type: SPI/TWI/USART
• Total Internal Ram Size: 8KB
• # I/os (max): 21
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (max): 1.95/3.6V
• Operating Supply Voltage (min): 1.65/3V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Package Type: LQFP
• Package: 48LQFP
• Family Name: AT91
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 21
• Number Of Timers: 3
• 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: Compliant

762
AT91SAM7S Series Preliminary
9
10 Peripherals ............................................................................................. 34
11 ARM7TDMI Processor Overview .......................................................... 41
System Controller .................................................................................. 26
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
9.10
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
10.11
10.12
11.1
11.2
AT91SAM7S128 ..............................................................................................18
AT91SAM7S64 ................................................................................................19
AT91SAM7S321/32 .........................................................................................19
AT91SAM7S161/16 .........................................................................................19
Memory Mapping .............................................................................................21
Embedded Flash .............................................................................................22
Fast Flash Programming Interface ..................................................................25
SAM-BA Boot Assistant ...................................................................................25
Reset Controller ...............................................................................................29
Clock Generator ..............................................................................................30
Power Management Controller ........................................................................30
Advanced Interrupt Controller ..........................................................................31
Debug Unit .......................................................................................................32
Periodic Interval Timer .....................................................................................32
Watchdog Timer ..............................................................................................32
Real-time Timer ...............................................................................................32
PIO Controller ..................................................................................................33
Voltage Regulator Controller ...........................................................................33
User Interface ..................................................................................................34
Peripheral Identifiers ........................................................................................34
Peripheral Multiplexing on PIO Lines ..............................................................35
PIO Controller A Multiplexing ..........................................................................36
Serial Peripheral Interface ...............................................................................38
Two-wire Interface ...........................................................................................38
USART ............................................................................................................38
Serial Synchronous Controller .........................................................................39
Timer Counter ..................................................................................................39
PWM Controller ...............................................................................................40
USB Device Port (Does not pertain to AT91SAM7S32/16) .............................40
Analog-to-digital Converter ..............................................................................40
Overview ..........................................................................................................41
ARM7TDMI Processor .....................................................................................42
6175K–ATARM–30-Aug-10