AT91SAM7S32-AU-999 Atmel, AT91SAM7S32-AU-999 Datasheet - Page 292
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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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Manufacturer
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29.3
29.4
29.4.1
29.5
29.5.1
292
Block Diagram
Application Block Diagram
Product Dependencies
AT91SAM7S Series Preliminary
I/O Lines Description
I/O Lines
Figure 29-1. Block Diagram
Figure 29-2. Application Block Diagram
Table 29-3.
Both TWD and TWCK are bidirectional lines, connected to a positive supply voltage via a current
source or pull-up resistor (see
Pin Name
TWD
TWCK
Rp: Pull up value as given by the I²C Standard
Host with
Interface
TWI
TWD
TWCK
I/O Lines Description
PMC
APB Bridge
Serial EEPROM
Atmel TWI
Slave 1
MCK
Pin Description
Two-wire Serial Data
Two-wire Serial Clock
Figure 29-2 on page
I²C RTC
Two-wire
Interface
Slave 2
Controller
I²C LCD
Slave 3
292). When the bus is free, both lines are
Interrupt
TWI
PIO
AIC
I²C Temp.
Slave 4
Sensor
Rp
6175K–ATARM–30-Aug-10
Input/Output
Input/Output
TWCK
TWD
Type
Rp
VDD
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