AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 220

• 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

24.3.1.3
24.3.2
24.3.2.1
24.3.2.2
220
AT8xC51SND2C/MP3B
External Data 8-bit Bus Cycles
Waveforms
Definition of Symbols
Timings
Figure 24-14. External Program Bus Cycle - Read Waveforms
Table 24-11. External Data 8-bit Bus Cycles Timing Symbol Definitions
Test conditions: capacitive load on all pins= 50 pF.
Table 24-12. External Data 8-bit Bus Cycle - Read AC Timings
V
A
D
L
Q
R
W
Symbol
DD
T
T
T
T
T
CLCL
AVLL
LLAX
LHLL
LLRL
= 2.7 to 3.3 V, T
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to RD Low
PSEN
Signals
ALE
P0
P2
Parameter
Address
Data In
ALE
Data Out
RD
WR
A
= -40 to +85°C
D7:0
T
T
LLPL
LHLL
T
AVLL
A7:0
T
2·T
3·T
T
T
LLAX
CLCL
CLCL
Min
CLCL
CLCL
T
50
T
PLAZ
Standard Mode
Variable Clock
PLIV
-20
-20
A15:8
-15
-30
T
PLPH
T
Instruction In
PXIX
D7:0
Max
T
T
PXIZ
H
L
V
X
Z
PXAV
0.5·T
0.5·T
1.5·T
A7:0
T
CLCL
Min
50
CLCL
CLCL
CLCL
Variable Clock
-15
Conditions
A15:8
-20
-20
-30
X2 Mode
Instruction In
High
Low
Valid
No Longer Valid
Floating
D7:0
Max
4341H–MP3–10/07
Unit
ns
ns
ns
ns
ns