AT89C5115 Atmel Corporation, AT89C5115 Datasheet - Page 101

• 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

Shift Register Timing Waveforms
External Clock Drive
Characteristics (XTAL1)
External Clock Drive
Waveforms
AC Testing Input/Output Waveforms
Float Waveforms
4128G–8051–02/08
INSTRUCTION
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
T
QVXH
0
Table 77. AC Parameters
AC inputs during testing are driven at V
Timing measurement are made at V
T
INPUT/OUTPUT
CHCX
Symbol
T
T
T
T
T
T
XHDV
CHCX
CLCH
CHCL
CLCL
CLCX
/T
1
0
CLCX
0.45V
VALID
T
XLXL
V
CC
-0.5V
Parameter
Oscillator Period
High Time
Low Time
Rise Time
Fall Time
Cyclic ratio in X2 Mode
T
2
XHQX
1
VALID
T
0.2V
3
XHDX
2
VALID
0.7V
V
CC
CC
V
V
0.45 V
CC
-0.1
T
-0.5V
OH
OL
CHCL
+ 0.1V
- 0.1V
4
3
VALID
IH
min for a logic “1” and V
FLOAT
CC
V
5
4
LOAD
VALID
- 0.5 for a logic “1” and 0.45V for a logic “0”.
T
CLCX
6
5
VALID
Min
0.2 V
0.2 V
25
40
5
5
CC
CC
7
6
T
VALID
+ 0.9
- 0.1
CLCL
V
V
LOAD
LOAD
IL
SET TI
SET RI
T
max for a logic “0”.
8
CLCH
7
+ 0.1V
- 0.1V
VALID
Max
T
60
CHCX
5
5
Units
ns
ns
ns
ns
ns
%
101