AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 229

• 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

24.4.1.2
24.4.2
24.4.2.1
24.4.2.2
4341H–MP3–10/07
MMC Interface
Waveforms
Definition of symbols
Timings
(INPUT/OUTPUT)
(INPUT/OUTPUT)
SDA
SCL
Figure 24-23. Two Wire Waveforms
Table 24-20. MMC Interface Timing Symbol Definitions
Table 24-21. MMC Interface AC timings
V
C
D
O
T
T
T
T
T
T
T
T
T
DD
START or Repeated START condition
CHCH
CHCX
CLCX
CLCH
CHCL
DVCH
CHDX
CHOX
OVCH
= 2.7 to 3.3 V, T
Symbol
T
hd
;STA
T
fd
Signals
T
Clock Period
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
Input Data Valid to Clock High
Input Data Hold after Clock High
Output Data Hold after Clock High
Output Data Valid to Clock High
low
Clock
Data In
Data Out
A
= -40 to +85°C, CL ≤ 100pF (10 cards)
T
T
rd
high
T
rc
Tsu;DAT1
Parameter
T
hd;
DAT
T
fc
STOP condition
AT8xC51SND2C/MP3B
Repeated START condition
H
L
V
X
Tsu;DAT
T
su;
Min
DAT3
50
10
10
3
3
5
5
2
T
T
0.3 V
su
su
0.7 V
Conditions
;STO
;STA
DD
DD
High
Low
Valid
No Longer Valid
Max
10
10
T
buf
START condition
0.7 V
0.3 V
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
DD
DD
229