AT89C51SND1C-7HTUL Atmel, AT89C51SND1C-7HTUL Datasheet - Page 198

• Manufacturer Part Number: AT89C51SND1C-7HTUL
• Description: IC MCU 64KB FLASH MEM 81-CBGA
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND1C-7HTUL

• 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 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
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 81-CBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

23.4.3
23.4.3.1
23.4.3.2
23.4.3.3
198
AT8xC51SND1C
Audio Interface
Definition of symbols
Timings
Waveforms
Table 175. Audio Interface Timing Symbol Definitions
Table 176. Audio Interface AC timings
V
Note:
Figure 23-20. Audio Interface Waveforms
DD
= 2.7 to 3.3 V, T
1. 32-bit format with Fs= 48 KHz.
DDAT
DCLK
DSEL
C
O
S
T
T
T
T
T
T
T
CHCH
CHCX
CLCX
CLCH
CHCL
CLSV
CLOV
Symbol
A
= -40 to +85°C, CL≤ 30pF
Signals
T
CLOV
Clock
Data Out
Data Select
Clock Period
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
Clock Low to Select Valid
Clock Low to Data Valid
Parameter
Right
T
CHCX
T
CHCL
T
CHCH
Min
30
30
T
CLSV
T
H
L
V
X
CLCX
T
CLCH
325.5
Max
Conditions
10
10
10
10
(1)
Left
High
Low
Valid
No Longer Valid
4109L–8051–02/08
Unit
ns
ns
ns
ns
ns
ns
ns