AT80C51SND1C-ROTUL Atmel, AT80C51SND1C-ROTUL Datasheet - Page 202
AT80C51SND1C-ROTUL
Manufacturer Part Number
AT80C51SND1C-ROTUL
Description
IC MCU FLASH MP3 DECODER 80-TQFP
Manufacturer
Atmel
Series
80Cr
Datasheet
1.AT80C51SND1C-ROTIL.pdf
(213 pages)
Specifications of AT80C51SND1C-ROTUL
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, IDE/ATAPI, MMC, SPI, UART/USART, USB
Peripherals
Audio, I²S, MP3, PCM, POR, WDT
Number Of I /o
44
Program Memory Type
ROMless
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 2x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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Company
Part Number
Manufacturer
Quantity
Price
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23.4.6
23.4.6.1
23.4.6.2
23.4.6.3
202
AT8xC51SND1C
External Clock Drive and Logic Level References
Definition of symbols
Timings
Waveforms
Table 181. External Clock Timing Symbol Definitions
External Clock AC Timings
V
Figure 23-25. External Clock Waveform
Figure 23-26. AC Testing Input/Output Waveforms
Note:
Figure 23-27. Float Waveforms
DD
= 2.7 to 3.3 V, T
1. During AC testing, all inputs are driven at V
2. Timing measurements are made on all outputs at V
C
0.45 V
Symbol
T
T
T
T
T
T
CHCX
V
CLCL
CLCX
CLCH
CHCL
CR
DD
V
LOAD
- 0.5
A
V
DD
V
= -40 to +85°C
Signals
0.45 V
IL
V
- 0.5
V
V
IH1
Clock Period
High Time
Low Time
Rise Time
Fall Time
Cyclic Ratio in X2 mode
LOAD
Clock
LOAD
+ 0.1 V
- 0.1 V
INPUTS
T
CHCL
0.7 V
0.3 V
Parameter
DD
DD
Timing Reference Points
DD
-0.5 V for a logic 1 and 0.45 V for a logic 0.
T
CLCX
IH
T
CLCH
min for a logic 1 and V
H
L
X
T
CLCL
Min
50
10
10
40
3
3
V
V
Conditions
OH
OL
V
V
T
IL
IH
+ 0.1 V
- 0.1 V
CHCX
max
min
OUTPUTS
Max
IL
High
Low
No Longer Valid
60
max for a logic 0.
4109L–8051–02/08
Unit
ns
ns
ns
ns
ns
%
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