AT80C51SND1C-ROTUL Atmel, AT80C51SND1C-ROTUL Datasheet - Page 197
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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Part Number
Manufacturer
Quantity
Price
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23.4.2
23.4.2.1
23.4.2.2
23.4.2.3
4109L–8051–02/08
MMC Interface
Definition of symbols
Timings
Waveforms
Table 173. MMC Interface Timing Symbol Definitions
Table 174. MMC Interface AC timings
V
Figure 23-19. MMC Input-Output Waveforms
DD
= 2.7 to 3.3 V, T
C
D
O
T
T
T
T
T
T
T
T
T
CHCH
CHCX
CLCX
CLCH
CHCL
DVCH
CHDX
CHOX
OVCH
Symbol
MCMD Output
MDAT Output
MCMD Input
MDAT Input
A
= -40 to +85°C, CL ≤ 100pF (10 cards)
Signals
MCLK
Clock Period
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
Input Data Valid to Clock High
Input Data Hold after Clock High
Output Data Hold after Clock High
Output Data Valid to Clock High
Clock
Data In
Data Out
Parameter
T
CHIX
T
T
CHCX
CHOX
T
CHCL
T
CHCH
H
L
V
X
AT8xC51SND1C
T
CLCX
Min
T
50
10
10
3
3
5
5
OVCH
T
CLCH
T
Conditions
IVCH
Max
High
Low
Valid
No Longer Valid
10
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
197
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