AT32UC3C2512C-A2ZT Atmel, AT32UC3C2512C-A2ZT Datasheet - Page 78
AT32UC3C2512C-A2ZT
Manufacturer Part Number
AT32UC3C2512C-A2ZT
Description
Microcontrollers (MCU) 512KB FL,-40/125oC AUTO
Manufacturer
Atmel
Datasheet
1.AT32UC3C1512C-AZR.pdf
(106 pages)
Specifications of AT32UC3C2512C-A2ZT
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Table 7-49.
Notes:
9166BS–AVR-02/11
t
t
t
t
t
t
t
t
t
t
t
f
Symbol
r
f
HD-STA
SU-STA
SU-STO
HD-DAT
SU-DAT-I2C
SU-DAT
LOW-I2C
LOW
HIGH
TWCK
1. Standard mode:
2. A device must internally provide a hold time of at least 300 ns for TWD with reference to the falling edge of TWCK.
TWCK and TWD rise time
TWCK and TWD fall time
(Repeated) START hold time
(Repeated) START set-up time
STOP set-up time
Data hold time
Data set-up time
TWCK LOW period
TWCK HIGH period
TWCK frequency
TWI-Bus Timing Requirements
Parameter
TWIM and TWIS user interface registers. Please refer to the TWIM and TWIS sections for more
information .
Notations:
C
t
t
The maximum t
f
clkpb
prescaled
TWCK
b
= total capacitance of one bus line in pF
= period of TWI peripheral bus clock
≤
= period of TWI internal prescaled clock (see chapters on TWIM and TWIS)
100 kHz
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
-
Standard
Fast
-
Standard
Fast
Standard
Fast
HD;DAT
Mode
; fast mode:
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
has only to be met if the device does not stretch the LOW period (t
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Requirement
f
TWCK
0.3
250
100
4.0
0.6
4.7
0.6
4.0
0.6
4.7
1.3
4.0
0.6
-
-
(2)
>
100 kHz
20 + 0.1 C
20 + 0.1 C
Minimum
-
-
-
.
b
b
Device
4t
2t
2t
4t
8t
t
t
t
t
clkpb
clkpb
clkpb
clkpb
clkpb
clkpb
clkpb
clkpb
clkpb
Requirement
3.45
100
400
0.9
Maximum
1000
300
300
300
-
-
-
-
-
-
-
-
AT32UC3C
----------------------- -
12t clkpb
Device
LOW-I2C
??
1
) of TWCK.
Unit
kHz
ns
ns
μs
μs
μs
μs
ns
μs
μs
-
-
78
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