AT80C51SND1C-ROTUL Atmel, AT80C51SND1C-ROTUL Datasheet - Page 196
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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23.4.1.2
196
AT8xC51SND1C
Waveforms
(INPUT/OUTPUT)
(INPUT/OUTPUT)
SDA
SCL
V
Notes:
Figure 23-18. Two Wire Waveforms
DD
START or Repeated START condition
= 2.7 to 3.3 V, T
1. At 100 kbit/s. At other bit-rates this value is inversely proportional to the bit-rate of 100 kbit/s.
2. Determined by the external bus-line capacitance and the external bus-line pull-up resistor, this
3. Spikes on the SDA and SCL lines with a duration of less than 3·T
4. T
T
hd
must be < 1 µs.
mum capacitance on bus-lines SDA and
SCL= 400 pF.
;STA
T
T
T
T
CLCL
T
T
T
T
Symbol
SU
SU
SU
fd
SU
HD
SU
HD
T
T
T
T
T
; DAT1
; DAT2
; DAT3
T
T
HIGH
; STO
LOW
; STA
; STA
; DAT
BUF
RC
RD
FC
FD
= T
T
OSC
low
A
= one oscillator clock period.
= -40 to +85°C
T
T
Start condition hold time
SCL low time
SCL high time
SCL rise time
SCL fall time
Data set-up time
SDA set-up time (before repeated START condition)
SDA set-up time (before STOP condition)
Data hold time
Repeated START set-up time
STOP condition set-up time
Bus free time
SDA rise time
SDA fall time
rd
high
T
rc
Tsu;DAT1
T
hd;
DAT
Parameter
T
fc
STOP condition
Repeated START condition
Tsu;DAT
T
su;
DAT3
2
14·T
16·T
14·T
14·T
14·T
14·T
CLCL
T
T
0.3 V
su
su
INPUT
250 ns
250 ns
250 ns
0.3 µs
0.3 µs
0.7 V
;STO
Max
1 µs
0 ns
1 µs
Min
;STA
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
will be filtered out. Maxi-
DD
DD
(4)
(4)
(4)
(4)
(4)
(4)
T
buf
START condition
4109L–8051–02/08
20·T
8·T
OUTPUT
8·T
CLCL
4.0 µs
4.7 µs
4.0 µs
0.3 µs
4.7 µs
4.0 µs
4.7 µs
0.3 µs
CLCL
1 µs
0.7 V
Max
Min
0.3 V
CLCL
-
-
(2)
(2)
(4)
(4)
(1)
DD
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(3)
- T
- T
(4)
DD
FC
RD
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