AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 188
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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23.3.1.3
23.3.2
23.3.2.1
23.3.2.2
188
AT8xC51SND1C
External Data 8-bit Bus Cycles
Waveforms
Definition of Symbols
Timings
Figure 23-9. External Program Bus Cycle - Read Waveforms
Table 164. External Data 8-bit Bus Cycles Timing Symbol Definitions
Test conditions: capacitive load on all pins= 50 pF.
Table 165. External Data 8-bit Bus Cycle - Read AC Timings
V
DD
= 2.7 to 3.3 V, T
A
D
L
Q
R
W
Symbol
T
T
T
T
T
CLCL
AVLL
LLAX
LHLL
LLRL
PSEN
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to RD Low
ALE
P0
P2
A
= -40 to +85°C
Signals
Parameter
D7:0
Address
Data In
ALE
Data Out
RD
WR
T
T
LLPL
LHLL
T
AVLL
A7:0
T
LLAX
T
T
PLAZ
2·T
3·T
PLIV
T
T
A15:8
CLCL
CLCL
Min
CLCL
CLCL
50
Standard Mode
T
Variable Clock
PLPH
T
-20
-20
Instruction In
-15
-30
PXIX
D7:0
T
T
PXIZ
PXAV
Max
H
L
V
X
Z
A7:0
0.5·T
0.5·T
1.5·T
T
CLCL
Min
50
CLCL
CLCL
CLCL
Variable Clock
A15:8
-15
Conditions
X2 Mode
-20
-20
-30
Instruction In
High
Low
Valid
No Longer Valid
Floating
D7:0
4109L–8051–02/08
Max
Unit
ns
ns
ns
ns
ns
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