AT80C51SND1C-ROTUL Atmel, AT80C51SND1C-ROTUL Datasheet - Page 192
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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23.3.3.3
23.4
23.4.0.4
192
SPI Interface
AT8xC51SND1C
Waveforms
Definition of Symbols
Figure 23-12. External IDE 16-bit Bus Cycle - Data Read Waveforms
Note:
Figure 23-13. External IDE 16-bit Bus Cycle - Data Write Waveforms
Note:
Table 170. SPI Interface Timing Symbol Definitions
1. D15:8 is written in DAT16H SFR.
1. D15:8 is the content of DAT16H SFR.
C
I
O
ALE
ALE
WR
RD
P0
P2
P0
P2
Signals
Clock
Data In
Data Out
T
T
LHLL
LHLL
T
T
AVLL
AVLL
A15:8
A15:8
A7:0
A7:0
T
AVRL
T
T
T
T
T
LLAX
LLAX
T
RLAZ
AVWL
LLRL
AVDV
T
LLWL
T
RLDV
T
RLRH
T
QVWH
Data Out
Data Out
T
D15:8
H
L
V
X
Z
WLWH
D7:0
D15:8
Data In
Data In
D7:0
(1)
(1)
T
RHDX
T
RHDZ
T
T
Conditions
WHQX
RHLH
T
WHLH
High
Low
Valid
No Longer Valid
Floating
4109L–8051–02/08
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