ATMEGA169V-1MC Atmel, ATMEGA169V-1MC Datasheet - Page 222
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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LCD Frame Rate Register –
LCDFRR
222
ATmega169V/L
• Bits 2:0 – LCDPM2:0: LCD Port Mask
The LCDPM2:0 bits determine the number of port pins to be used as segment drivers.
The different selections are shown in Table 95. Unused pins can be used as ordinary
port pins.
Table 95. LCD Port Mask
• Bit 7 – Res: Reserved Bit
This bit is reserved bit in the ATmega169 and will always read as zero.
• Bits 6:4 – LCDPS2:0: LCD Prescaler Select
The LCDPS2:0 bits selects tap point from a prescaler. The prescaled output can be fur-
ther divided by setting the clock divide bits (LCDCD2:0). The different selections are
shown in Table 96. Together they determine the prescaled LCD clock (clk
is clocking the LCD module.
Table 96. LCD Prescaler Select
Bit
Read/Write
Initial Value
LCDPM2
LCDPS2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
LCDPS1
LCDPM1
0
0
1
1
0
0
1
1
R
0
0
1
1
0
0
1
1
7
–
0
LCDPS2
R/W
LCDPS0
LCDPM0
6
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
LCDPS1
R/W
5
0
clk
clk
clk
Prescaler
clk
clk
clk
clk
clk
clk
Output
LCD
LCD
LCD
from
LCD
LCD
LCD
LCD
LCD
LCDPS0
LCD
I/O Port in Use as
/1024
/2048
/4096
Segment Driver
R/W
/128
/256
/512
/16
/64
4
0
/N
SEG0:12
SEG0:14
SEG0:16
SEG0:18
SEG0:20
SEG0:22
SEG0:23
SEG0:24
R
3
–
0
Duty = 1/4, and Frame Rate = 64 Hz
Frequency when LCDCD2:0 = 0,
Applied Prescaled LCD Clock
LCDCD2
R/W
2
0
130 kHz
260 kHz
520 kHz
LCDCD1
8.1 kHz
33 kHz
66 kHz
1 MHz
2 MHz
Maximum Number of
R/W
1
0
Segments
LCDCD0
13
15
17
19
21
23
24
25
R/W
LCD_PS
2514H–AVR–05/03
0
0
), which
LCDFRR
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