AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 189
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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4109L–8051–02/08
Table 166. External Data 8-bit Bus Cycle - Write AC Timings
V
DD
= 2.7 to 3.3 V, T
Symbol
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WLWH
WHLH
QVWH
WHQX
RLRH
RHLH
AVDV
RHDX
RHDZ
AVWL
AVRL
RLDV
RLAZ
CLCL
LLWL
LHLL
AVLL
LLAX
RD Pulse Width
RD high to ALE High
Address Valid to Valid Data In
Address Valid to RD Low
RD Low to Valid Data
RD Low to Address Float
Data Hold After RD High
Data Float After RD High
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to WR Low
WR Pulse Width
WR High to ALE High
Address Valid to WR Low
Data Valid to WR High
Data Hold after WR High
A
= -40 to +85°C
Parameter
Parameter
6·T
4·T
2·T
3·T
6·T
4·T
7·T
T
T
T
T
T
CLCL
CLCL
CLCL
CLCL
CLCL
Min
CLCL
CLCL
Min
CLCL
CLCL
CLCL
CLCL
CLCL
50
Standard Mode
0
Standard Mode
Variable Clock
Variable Clock
-20
-20
-20
-20
-15
-25
-30
-15
-30
-25
-30
-20
9·T
5·T
2·T
T
T
CLCL
CLCL
Max
Max
CLCL
CLCL
CLCL
0
+20
+20
-65
-30
-25
AT8xC51SND1C
0.5·T
0.5·T
0.5·T
1.5·T
0.5·T
3.5·T
0.5·T
3·T
2·T
3·T
2·T
T
CLCL
CLCL
CLCL
CLCL
CLCL
Min
Min
50
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0
Variable Clock
Variable Clock
-15
-25
-30
-25
-30
X2 Mode
-20 0.5·T
X2 Mode
-20
-20
-30
-20 0.5·T
-20
-15
4.5·T
2.5·T
T
CLCL
Max
Max
CLCL
CLCL
CLCL
CLCL
0
-25
+20
+20
-65
-30
Unit
Unit
189
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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