AT89C5115 Atmel Corporation, AT89C5115 Datasheet - Page 102

• Manufacturer Part Number: AT89C5115
• Manufacturer: Atmel Corporation

Specifications of AT89C5115

• Flash (kbytes): 16 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 20
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 0.5
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

Clock Waveforms
Flash/EEPROM Memory
A/D Converter
102
AT89C5115
For timing purposes as port pin is no longer floating when a 100 mV change from load
voltage occurs and begins to float when a 100 mV change from the loaded V
occurs. I
Valid in normal clock mode. In X2 Mode XTAL2 must be changed to XTAL2/2.
Table 78. Memory AC Timing
V
Figure 49. Flash Memory - Internal Busy Waveforms
Table 79. AC Parameters for A/D Conversion
Symbol
T
N
T
Symbol
T
ADC Clock Frequency
cc
BHBL
FDR
SETUP
FCY
= 3.0V to 5.5V, T
OL
FBUSY bit
/I
OH
≥ ± 20mA.
Parameter
Flash/EEPROM Internal Busy
(Programming) Time
Number of Flash/EEPROM Erase/Write
Cycles
Flash/EEPROM Data Retention Time
A
= -40°C to +85°C
Parameter
T
BHBL
100 000
Min
Min
10
4
Typ
Typ
700
13
Max
Max
17
4128G–8051–02/08
OH
/V
OL
cycles
years
Unit
Unit
KHz
ms
µs
level