AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 199
AT80C51SND1C-ROTIL
Manufacturer Part Number
AT80C51SND1C-ROTIL
Description
IC MCU FLASH MP3 DECODER 80-TQFP
Manufacturer
Atmel
Series
80Cr
Datasheet
1.AT80C51SND1C-ROTIL.pdf
(213 pages)
Specifications of AT80C51SND1C-ROTIL
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
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
AT80C51SND1CROTIL
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23.4.4
23.4.4.1
23.4.4.2
4109L–8051–02/08
Analog to Digital Converter
Definition of symbols
Characteristics
Table 177. Analog to Digital Converter Timing Symbol Definitions
Table 178. Analog to Digital Converter AC Characteristics
V
Notes:
DD
= 2.7 to 3.3 V, T
1. AV
2. The differential non-linearity is the difference between the actual step width and the ideal step
3. The integral non-linearity is the peak difference between the center of the actual step and the
4. The offset error is the absolute difference between the straight line which fits the actual trans-
5. The gain error is the relative difference in percent between the straight line which fits the actual
C
E
S
T
T
T
DLe
ILe
OSe
Ge
CLCL
EHSH
SHSL
width (see Figure 23-22).
ideal transfer curve after appropriate adjustment of gain and offset errors (see Figure 23-22).
fer curve (after removing of gain error), and the straight line which fits the ideal transfer curve
(see Figure 23-22).
transfer curve (after removing of offset error), and the straight line which fits the ideal transfer
curve (see Figure 23-22).
Symbol
DD
= AV
REFP
A
= -40 to +85°C
Signals
= 3.0 V, AV
Clock
Enable (ADEN bit)
Start Conversion
(ADSST bit)
Clock Period
Start-up Time
Conversion Time
Differential non-
linearity error
Integral non-
linearity errorss
Offset error
Gain error
Parameter
SS
(1)(5)
(1)(4)
= AV
(1)(2)
(1)(3)
REFN
= 0 V. ADC is monotonic with no missing code.
Min
4
H
L
AT8xC51SND1C
11·T
Max
4
1
2
4
4
CLCL
Conditions
High
Low
Unit
LSB
LSB
LSB
LSB
µs
µs
µs
199
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