ATmega8HVA Atmel Corporation, ATmega8HVA Datasheet - Page 173

• Manufacturer Part Number: ATmega8HVA
• Manufacturer: Atmel Corporation

Specifications of ATmega8HVA

• Flash (kbytes): 8 Kbytes
• Pin Count: 28
• Max. Operating Frequency: 4 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 3
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 6
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 6
• Adc Resolution (bits): 12
• Adc Speed (ksps): 1.9
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 256
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -20 to 85
• I/o Supply Class: 1.8 to 9.0
• Operating Voltage (vcc): 1.8 to 9.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

Table 29-8.
Note:
29.8.2
8024A–AVR–04/08
Symbol
1/t
t
t
t
t
t
t
OVSH
SHOX
CLCL
SHSL
SLSH
SLIV
CLCL
1. 2.2 t
High-voltage Serial Programming
Serial Programming Characteristics, T
Parameter
Oscillator Frequency (ATmega8HVA/16HVA)
Oscillator Period (ATmega8HVA/16HVA)
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
CLCL
for f
ck
< 12 MHz, 3 t
Figure 29-4. High-voltage Serial Programming Timing
Table 29-9.
Symbol
t
t
t
t
t
t
SHSL
SLSH
IVSH
SHIX
SHOV
WLWH_PFB
SDI , SII
CLCL
SDO
SCI
High-voltage Serial Programming Characteristics T
10% (Unless otherwise noted)
for f
Parameter
SCI (PC0) Pulse Width High
SCI (PC0) Pulse Width Low
SDI (PB2), SII (PB3) Valid to SCI (PC0) High
SDI (PB2), SII (PB3) Hold after SCI (PC0) High
SCI (PC0) High to SDO (PB1) Valid
Wait after Instr. 3 for Write Fuse Bits
ck
>= 12 MHz
t
IVSH
A
= -10°C to 70°C, V
t
SHSL
CC
t
SHOV
2.2 t
= 3.0 - 5.5V (Unless Otherwise Noted)
2.2 t
2 t
t
Min
CLCL
250
CLCL
CLCL
CLCL
0
ATmega8HVA/16HVA
t
(1)
(1)
SHIX
Typ
A
15
1/f
1/f
= 25°C ± 10%, V
Min
50
50
ck
ck
Typ
t
2.5
16
SLSH
Max
4
Max
CC
= 3.3V ±
Units
MHz
ns
ns
Units
ms
ns
ns
ns
ns
ns
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