AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 222

• Manufacturer Part Number: AT89C51SND2C-7FTUL
• Description: IC 8051 MCU FLASH 64K MP3 100BGA
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND2C-7FTUL

• 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: 32
• 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; D/A 2x20b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: ATAPI, I2S, IDE, SPI, UART, USB
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT89C51SND2C7FTUL

24.3.2.3
24.3.3
24.3.3.1
222
AT8xC51SND2C/MP3B
External IDE 16-bit Bus Cycles
Waveforms
Definition of Symbols
Figure 24-15. External Data 8-bit Bus Cycle - Read Waveforms
Figure 24-16. External Data 8-bit Bus Cycle - Write Waveforms
Table 24-14. External IDE 16-bit Bus Cycles Timing Symbol Definitions
A
D
L
Q
R
W
Signals
ALE
ALE
WR
RD
P0
P2
P0
P2
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
H
L
V
X
Z
T
QVWH
T
Data Out
WLWH
D7:0
Data In
D7:0
T
RHDX
Conditions
T
RHDZ
T
T
WHQX
RHLH
High
Low
Valid
No Longer Valid
Floating
T
WHLH
4341H–MP3–10/07