AT91SAM7S32-AU-999 Atmel, AT91SAM7S32-AU-999 Datasheet - Page 247
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AT91SAM7S32-AU-999
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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6175K–ATARM–30-Aug-10
Table 27-1.
• Four output signals on I/O lines 4 to 7 (to drive LEDs for example), driven high and low, no
• Four input signals on I/O lines 8 to 11 (to read push-button states for example), with pull-up
• Four input signals on I/O line 12 to 15 to read an external device status (polled, thus no input
• I/O lines 16 to 19 assigned to peripheral A functions with pull-up resistor
• I/O lines 20 to 23 assigned to peripheral B functions, no pull-up resistor
• I/O line 24 to 27 assigned to peripheral A with Input Change Interrupt and pull-up resistor
pull-up resistor
resistors, glitch filters and input change interrupts
change interrupt), no pull-up resistor, no glitch filter
PIO_OWER
PIO_OWDR
PIO_SODR
PIO_CODR
PIO_MDER
PIO_MDDR
PIO_PUDR
PIO_PUER
PIO_ODR
PIO_IFER
PIO_IFDR
PIO_PDR
PIO_OER
PIO_PER
PIO_ASR
PIO_BSR
Register
PIO_IDR
PIO_IER
Programming Example
AT91SAM7S Series Preliminary
Value to be Written
0x0FFF F0FF
0x0FFF FFFF
0x0FFF FFF0
0x0FFF FFF0
0x0000 FFFF
0x0FFF 0000
0x0FFF FF00
0x00FF F0FF
0x0F0F FF0F
0x0000 00FF
0x0000 0F00
0x0F00 0F00
0x0000 000F
0x00F0 00F0
0x0F0F 0000
0x00F0 0000
0x0000 000F
0x0000 0000
247
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