AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 190

• Manufacturer Part Number: AT80C51SND1C-ROTIL
• Description: IC MCU FLASH MP3 DECODER 80-TQFP
• Manufacturer: Atmel
• Series: 80Cr

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

23.3.2.3
23.3.3
23.3.3.1
190
AT8xC51SND1C
External IDE 16-bit Bus Cycles
Waveforms
Definition of Symbols
Figure 23-10. External Data 8-bit Bus Cycle - Read Waveforms
Figure 23-11. External Data 8-bit Bus Cycle - Write Waveforms
Table 167. External IDE 16-bit Bus Cycles Timing Symbol Definitions
A
D
L
Q
R
W
ALE
ALE
WR
RD
P0
P2
P0
P2
Signals
Address
Data In
ALE
Data Out
RD
WR
T
T
LHLL
LHLL
T
T
AVLL
AVLL
A7:0
T
A7:0
AVRL
T
T
T
T
T
LLAX
LLAX
T
RLAZ
AVWL
LLRL
AVDV
T
LLWL
A15:8
T
RLDV
A15:8
T
RLRH
T
H
L
V
X
Z
QVWH
T
Data Out
WLWH
D7:0
Data In
D7:0
T
RHDX
T
RHDZ
Conditions
T
T
WHQX
RHLH
T
WHLH
High
Low
Valid
No Longer Valid
Floating
4109L–8051–02/08