ATMEGA169V-1MC Atmel, ATMEGA169V-1MC Datasheet - Page 27
ATMEGA169V-1MC
Manufacturer Part Number
ATMEGA169V-1MC
Description
IC MCU AVR 16K 1.8V 1MHZ 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA169V-1MC
Core Processor
AVR
Core Size
8-Bit
Speed
1MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
64-MLF®, 64-QFN
For Use With
ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATAVRBFLY - KIT EVALUATION AVR BUTTERFLYATSTK502 - MOD EXPANSION AVR STARTER 500
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Calibrated Internal RC
Oscillator
2514H–AVR–05/03
Table 7. Start-up Times for the Low-frequency Crystal Oscillator Clock Selection
Note:
The calibrated internal RC Oscillator provides a fixed 8.0 MHz clock. The frequency is
nominal value at 3V and 25 C. If 8 MHz frequency exceeds the specification of the
device (depends on V
internal frequency by 8 during start-up. The device is shipped with the CKDIV8 Fuse
programmed. See “System Clock Prescaler” on page 30. for more details. This clock
may be selected as the system clock by programming the CKSEL Fuses as shown in
Table 8. If selected, it will operate with no external components. During reset, hardware
loads the calibration byte into the OSCCAL Register and thereby automatically cali-
brates the RC Oscillator. At 3V and 25 C, this calibration gives a frequency within ± 1%
of the nominal frequency. When this Oscillator is used as the chip clock, the Watchdog
Oscillator will still be used for the Watchdog Timer and for the Reset Time-out. For more
information on the pre-programmed calibration value, see the section “Calibration Byte”
on page 269.
Table 8. 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 9. Selecting internal RC Oscillator allows the XTAL1/TOSC1 and
XTAL2/TOSC2 pins to be used as timer oscillator pins.
Table 9. Start-up times for the internal calibrated RC Oscillator clock selection
Note:
CKSEL3..0
SUT1..0
10
0100
0110
00
01
11
0101
0111
(1)
(1)
(1)
1. These options should only be used if frequency stability at start-up is not important
1. The device is shipped with this option selected.
1. The device is shipped with this option selected.
for the application
CKSEL3..0
Start-up Time from Power-
down and Power-save
0010
CC
Power-down and Power-save
6 CK
6 CK
6 CK
), the CKDIV8 Fuse must be programmed in order to divide the
Start-up Time from
32K CK
32K CK
1K CK
1K CK
Additional Delay from
Reset (V
Reserved
14CK + 4.1 ms
14CK + 65 ms
14CK
CC
Nominal Frequency
= 5.0V)
8.0 MHz
ATmega169V/L
(1)
Recommended Usage
Stable frequency at start-up
Stable frequency at start-up
Recommended Usage
BOD enabled
Fast rising power
Slowly rising power
27
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