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ATmega32HVB 데이터시트(PDF) 234 Page - ATMEL Corporation

부품명 ATmega32HVB
상세설명  8-bit Microcontroller with 16K/32K Bytes In-System Programmable Flash
PDF  273 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
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ATmega32HVB 데이터시트(HTML) 234 Page - ATMEL Corporation

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234
8042A–AVR–07/09
ATmega16HVB/32HVB
32.12 General I/O Lines Characteristics
32.12.1
Port A and B Characteristics
Notes:
1. “Max” means the highest value where the pin is guaranteed to be read as low
2. “Min” means the lowest value where the pin is guaranteed to be read as high
3. Although each I/O port can sink more than the test conditions (5 mA at V
CC = 3.3V) under steady state conditions (non-tran-
sient), the following must be observed:
- The sum of all IOL should not exceed 20 mA.
If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test condition.
4. Although each I/O port can source more than the test conditions (2 mA at VCC = 3.3V) under steady state conditions (non-
transient), the following must be observed:
- The sum of all IOH should not exceed 2 mA.
32.12.2
Port C Characteristics
Note:
1. This values is based on characterization and is not tested in production.
Table 32-12. T
A = -40 to 85°C, VCC = 3.3V (unless otherwise noted)
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
VIL
Input Low Voltage, Except
RESET pin
-0.5
0.3VCC
(1)
V
VIL1
Input Low Voltage,
RESET pin
0.3V
CC
(1)
VIH
Input High Voltage,
Except RESET pin
0.6VCC
(2)
VCC + 0.5
VIH1
Input High Voltage,
RESET pin
0.9VCC
(2)
VCC + 0.5
VOL
Output Low Voltage
IOL = 5mA
0.5
VOH
Output High Voltage
IOH = 2 mA
2.3
IIL
Input Leakage
Current I/O Pin
Pin low
(absolute value)
1
µA
IIH
Input Leakage
Current I/O Pin
Pin high
(absolute value)
1
RRST
Reset Pull-up Resistor
30
60
k
Ω
RPU
I/O Pin Pull-up Resistor
20
50
Table 32-13. PC0-PC4 Characteristics
Symbol
Parameter
Condition
Min
Max
Units
V
IL
Input Low-voltage
-0.5
0.8
V
VIH
Input High-voltage
2.1
5.5
V
OL
(1)
Output Low-voltage
350 µA sink current
0
0.4
Table 32-14. PC5 Characteristic
Symbol
Parameter
Condition
Min
Max
Units
VOL
Output Low-voltage
500 µA sink current
0
0.2
V



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