AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 627
AT91SAM7X128
Manufacturer Part Number
AT91SAM7X128
Description
MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
Manufacturer
Atmel
Datasheet
1.AT91SAM7X512-AU-999.pdf
(687 pages)
Specifications of AT91SAM7X128
Package
100LQFP
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
Ram Size
32 KB
Program Memory Size
128 KB
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Program Memory Type
Flash
Number Of Programmable I/os
62
Interface Type
CAN/Ethernet/SPI/I2S/TWI/USART/USB
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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38.8
38.8.1
Table 38-19. Master Clock Waveform Parameters
38.8.2
Criteria used to define the maximum frequency of the I/Os:
output duty cycle (30%-70%)
minimum output swing: 100mV to VDDIO - 100mV
Addition of rising and falling time inferior to 75% of the period
Table 38-20. I/O Characteristics
Notes:
6120H–ATARM–17-Feb-09
Symbol
1/(t
Symbol
FreqMax
PulseminH
PulseminL
FreqMax
PulseminH
PulseminL
FreqMax
PulseminH
PulseminL
CPMCK
AC Characteristics
1. Pin Group 1 = PB27 to PB30
2. Pin Group 2 = PA4 to PA30 and PB0 to PB30
3. Pin Group 3 = PA0 to PA3
4. V
5. V
I01
I02
I03
)
Master Clock Characteristics
I/O Characteristics
I01
I02
I03
I01
I02
I03
VDDIO
VDDIO
Parameter
Pin Group 1
Pin Group 1
Pin Group 1
Pin Group 2
Pin Group 2
Pin Group 2
Pin Group 3
Pin Group 3
Pin Group 3
Parameter
Master Clock Frequency
from 3.0V to 3.6V, maximum external capacitor = 40pF
from 3.0V to 3.6V, maximum external capacitor = 20pF
(1)
(1)
(1)
(2)
(2)
(2)
(3)
(3)
(3)
frequency
High Level Pulse Width
frequency
High Level Pulse Width
Low Level Pulse Width
frequency
Low Level Pulse Width
High Level Pulse Width
Low Level Pulse Width
AT91SAM7X512/256/128 Preliminary
Conditions
Load: 40 pF
Load: 40 pF
Load: 40 pF
Load: 40 pF
Load: 20 pF
Load: 40 pF
Load: 20 pF
Load: 40 pF
Load: 20 pF
Load: 40 pF
Load: 40 pF
Load: 40 pF
Conditions
(4)
(4)
(4)
(4)
(5)
(4)
(5)
(4)
(5)
(4)
(4)
(4)
Min
16.6
16.6
Min
40
40
20
10
20
10
Max
Max
12.5
55
25
30
30
Units
MHz
MHz
MHz
MHz
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
627
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