AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 201

• Manufacturer Part Number: AT80C51SND1C-ROTIL
• Description: IC MCU FLASH MP3 DECODER 80-TQFP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C51SND1C-ROTIL

• 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 Type: ROMless
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Other names: AT80C51SND1CROTIL

23.4.5
23.4.5.1
23.4.5.2
23.4.5.3
4109L–8051–02/08
Flash Memory
Definition of symbols
Timings
Waveforms
Table 179. Flash Memory Timing Symbol Definitions
Table 180. Flash Memory AC Timing
V
Figure 23-23. FLASH Memory - ISP Waveforms
Note:
Figure 23-24. FLASH Memory - Internal Busy Waveforms
DD
= 2.7 to 3.3 V, T
1. ISP must be driven through a pull-down resistor (see Section “In System Programming”,
S
R
B
T
T
T
N
T
SVRL
RLSX
BHBL
FDR
FCY
page 186).
Symbol
FBUSY bit
ISP
RST
A
(1)
= -40 to +85°C
Signals
Input ISP Valid to RST Edge
Input ISP Hold after RST Edge
FLASH Internal Busy (Programming) Time
Number of Flash Write Cycles
Flash Data Retention Time
ISP
RST
FBUSY flag
Parameter
T
SVRL
T
BHBL
T
RLSX
L
V
X
100K
Min
50
50
10
AT8xC51SND1C
Typ
10
Conditions
Low
Valid
No Longer Valid
Max
Cycle
Years
Unit
ms
ns
ns
201