AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 187
AT89C51SND1C-ROTUL
Manufacturer Part Number
AT89C51SND1C-ROTUL
Description
IC 8051 MCU FLASH 64K MP3 80TQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT80C51SND1C-ROTIL.pdf
(213 pages)
Specifications of AT89C51SND1C-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 Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 2x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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23.3
23.3.1
23.3.1.1
23.3.1.2
4109L–8051–02/08
AC Characteristics
External Program Bus Cycles
Definition of Symbols
Timings
Table 162. External Program Bus Cycles Timing Symbol Definitions
Test conditions: capacitive load on all pins= 50 pF.
Table 163. External Program Bus Cycle - Read AC Timings
V
DD
= 2.7 to 3.3 V, T
A
I
L
P
Symbol
T
T
T
T
T
T
T
T
T
T
T
CLCL
PLPH
PLAZ
LHLL
AVLL
LLAX
PXIX
AVIV
LLIV
PLIV
PXIZ
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to Valid Instruction
PSEN Pulse Width
PSEN Low to Valid Instruction
Instruction Hold After PSEN High
Instruction Float After PSEN High
Address Valid to Valid Instruction
PSEN Low to Address Float
A
= -40 to +85°C
Signals
Parameter
Address
Instruction In
ALE
PSEN
2·T
4·T
3·T
T
T
CLCL
CLCL
CLCL
CLCL
CLCL
Min
50
Standard Mode
0
Variable Clock
-20
-20
-15
-35
-25
3·T
5·T
T
CLCL
Max
CLCL
CLCL
10
H
L
V
X
Z
-10
-35
-35
AT8xC51SND1C
0.5·T
0.5·T
1.5·T
2·T
T
CLCL
CLCL
Min
50
CLCL
CLCL
CLCL
Variable Clock
0
Conditions
-15
-35
X2 Mode
-20
-20
-25
High
Low
Valid
No Longer Valid
Floating
1.5·T
0.5·T
2.5·T
Max
10
CLCL
CLCL
CLCL
-35
-10
-35
Unit
187
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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