AT91SAM7S321-AU-999 Atmel, AT91SAM7S321-AU-999 Datasheet - Page 466
AT91SAM7S321-AU-999
Manufacturer Part Number
AT91SAM7S321-AU-999
Description
IC MCU ARM7 32KB FLASH 64LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7S321-AU-999
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
32
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
64-LQFP
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
8 KB
Interface Type
I2C, JTAG, SPI, USART
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
32
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7S-EK
Minimum Operating Temperature
- 40 C
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
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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• CPCDIS: Counter Clock Disable with RC Compare
0 = Counter clock is not disabled when counter reaches RC.
1 = Counter clock is disabled when counter reaches RC.
• EEVTEDG: External Event Edge Selection
• EEVT: External Event Selection
Note:
• ENETRG: External Event Trigger Enable
0 = The external event has no effect on the counter and its clock. In this case, the selected external event only controls the
TIOA output.
1 = The external event resets the counter and starts the counter clock.
• WAVSEL: Waveform Selection
• WAVE
0 = Waveform Mode is disabled (Capture Mode is enabled).
1 = Waveform Mode is enabled.
466
0
0
1
1
0
0
1
1
0
1
0
1
1. If TIOB is chosen as the external event signal, it is configured as an input and no longer generates waveforms and subse-
EEVTEDG
WAVSEL
AT91SAM7S Series Preliminary
EEVT
quently no IRQs.
0
1
0
1
0
1
0
1
0
0
1
1
Edge
none
rising edge
falling edge
each edge
Signal selected as external event
TIOB
XC0
XC1
XC2
Effect
UP mode without automatic trigger on RC Compare
UP mode with automatic trigger on RC Compare
UPDOWN mode without automatic trigger on RC Compare
UPDOWN mode with automatic trigger on RC Compare
input
TIOB Direction
output
output
output
(1)
6175K–ATARM–30-Aug-10
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