ATMEGA8L-8PI Atmel, ATMEGA8L-8PI Datasheet - Page 228

• Manufacturer Part Number: ATMEGA8L-8PI
• Description: IC AVR MCU 8K LV 8MHZ IND 28-DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8L-8PI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: ATMEGA8L8PI

228
ATmega8(L)
Figure 111. Parallel Programming Timing, Reading Sequence (within the same Page) with Tim-
ing Requirements
Note:
Table 95. Parallel Programming Characteristics, V
Symbol
V
I
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PP
DVXH
XLXH
XHXL
XLDX
XLWL
XLPH
PLXH
BVPH
PHPL
PLBX
WLBX
PLWL
BVWL
WLWH
WLRL
WLRH
WLRH_CE
PP
XTAL1
DATA
BS1
XA0
XA1
OE
1. The timing requirements shown in
also apply to reading operation
Parameter
Programming Enable Voltage
Programming Enable Current
Data and Control Valid before XTAL1 High
XTAL1 Low to XTAL1 High
XTAL1 Pulse Width High
Data and Control Hold after XTAL1 Low
XTAL1 Low to WR Low
XTAL1 Low to PAGEL high
PAGEL low to XTAL1 high
BS1 Valid before PAGEL High
PAGEL Pulse Width High
BS1 Hold after PAGEL Low
BS2/1 Hold after WR Low
PAGEL Low to WR Low
BS1 Valid to WR Low
WR Pulse Width Low
WR Low to RDY/BSY Low
WR Low to RDY/BSY High
WR Low to RDY/BSY High for Chip Erase
(1)
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
t
XLOL
t
OLDV
(1)
(LOW BYTE)
DATA (Low Byte)
READ DATA
Figure 109 on page 227
(2)
CC
t
BVDV
= 5V ±10%
(HIGH BYTE)
11.5
READ DATA
Min
200
150
150
150
150
3.7
7.5
67
67
67
67
67
67
67
DATA (High Byte)
0
0
0
(that is, t
Typ
t
OHDZ
Max
12.5
250
4.5
DVXH
1
9
LOAD ADDRESS
(LOW BYTE)
ADDR1 (Low Byte)
, t
XHXL
Units
ms
μA
2486Z–AVR–02/11
ns
μs
V
, and t
XLDX
)