AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 193

• Manufacturer Part Number: AT89C51SND1C-ROTUL
• Description: IC 8051 MCU FLASH 64K MP3 80TQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND1C-ROTUL

• 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: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

23.4.0.5
4109L–8051–02/08
Timings
Test conditions: capacitive load on all pins= 50 pF.
Table 171. SPI Interface Master AC Timing
V
Note:
DD
= 2.7 to 3.3 V, T
1. Value of this parameter depends on software.
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
CHCH
CHCX
CLCX
SLCH
IVCL
CLIX
CLOV,
CLOX
CLSH
SLOV
SHOX
SHSL
ILIH
IHIL
OLOH
OHOL
CHCH
CHCX
CLCX
IVCL
CLIX
CLOV,
CLOX
ILIH
IHIL
OLOH
OHOL
, T
, T
, T
, T
Symbol
, T
, T
, T
, T
T
T
IVCH
CHIX
IVCH
CHIX
CHOV
CHOV
SLCL
CHOX
CHSH
CHOX
A
= -40 to +85°C
Clock Period
Clock High Time
Clock Low Time
SS Low to Clock edge
Input Data Valid to Clock Edge
Input Data Hold after Clock Edge
Output Data Valid after Clock Edge
Output Data Hold Time after Clock Edge
SS High after Clock Edge
SS Low to Output Data Valid
Output Data Hold after SS High
SS High to SS Low
Input Rise Time
Input Fall Time
Output Rise time
Output Fall Time
Clock Period
Clock High Time
Clock Low Time
Input Data Valid to Clock Edge
Input Data Hold after Clock Edge
Output Data Valid after Clock Edge
Output Data Hold Time after Clock Edge
Input Data Rise Time
Input Data Fall Time
Output Data Rise time
Output Data Fall Time
Parameter
Master Mode
Slave Mode
AT8xC51SND1C
Min
100
0.8
0.8
0.8
0.8
40
40
20
20
(1)
2
0
0
2
0
Max
100
100
40
50
50
40
50
50
2
2
2
2
T
T
T
T
T
T
Unit
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PER
PER
PER
PER
PER
PER
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