ATMEGA162-16MJ Atmel, ATMEGA162-16MJ Datasheet - Page 39
ATMEGA162-16MJ
Manufacturer Part Number
ATMEGA162-16MJ
Description
IC MCU AVR 16K 5V 16MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA162-16MJ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
16KB (8K 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
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
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Oscillator Calibration
Register – OSCCAL
2513K–AVR–07/09
Time-out. For more information on the pre-programmed calibration value, see the section
bration Byte” on page
Table 11. Internal Calibrated RC Oscillator Operating Modes
Note:
When this Oscillator is selected, start-up times are determined by the SUT Fuses as shown in
Table
Table 12. Start-up Times for the Internal Calibrated RC Oscillator Clock Selection
Note:
• Bit 7 – Res: Reserved Bit
This bit is reserved bit in the ATmega162, and will always read as zero.
• Bits 6..0 – CAL6..0: Oscillator Calibration Value
Writing the calibration byte to this address will trim the Internal Oscillator to remove process vari-
ations from the Oscillator frequency. This is done automatically during Chip Reset. When
OSCCAL is zero, the lowest available frequency is chosen. Writing non-zero values to this regis-
ter will increase the frequency of the Internal Oscillator. Writing 0x7F to the register gives the
highest available frequency. The calibrated Oscillator is used to time EEPROM and Flash
access. If EEPROM or Flash is written, do not calibrate to more than 10% above the nominal fre-
quency. Otherwise, the EEPROM or Flash write may fail.
Bit
Read/Write
Initial Value
SUT1:0
10
00
01
11
(1)
12. XTAL1 and XTAL2 should be left unconnected (NC).
1. The device is shipped with this option selected.
1. The device is shipped with this option selected.
Start-up Time from Power-
down and Power-save
R
7
–
0
CKSEL3:0
0010
6 CK
6 CK
6 CK
234.
CAL6
R/W
(1)
6
CAL5
R/W
5
Device Specific Calibration Value
CAL4
R/W
4
Additional Delay from
Reset (V
Reserved
CAL3
R/W
4.1 ms
65 ms
3
CC
–
= 5.0V)
CAL2
R/W
Nominal Frequency
2
8.0 MHz
CAL1
R/W
Recommended Usage
BOD enabled
Fast rising power
Slowly rising power
1
ATmega162/V
CAL0
R/W
0
OSCCAL
“Cali-
39
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