ATMEGA169-16AI SL710 Atmel, ATMEGA169-16AI SL710 Datasheet - Page 221
ATMEGA169-16AI SL710
Manufacturer Part Number
ATMEGA169-16AI SL710
Description
IC AVR MCU 16K 16MHZ IND 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA169-16AI SL710
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
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
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
For Use With
ATAVRBFLY - KIT EVALUATION AVR BUTTERFLYATSTK502 - MOD EXPANSION AVR STARTER 500
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
ATMEGA16916ASL710
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LCD Frame Rate Register –
LCDFRR
2514P–AVR–07/06
Table 94. LCD Duty Select
Note:
• Bit3 – Res: Reserved Bit
This bit is reserved bit in the ATmega169 and will always read as zero.
• 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.
Bit
Read/Write
Initial Value
LCDMUX1
LCDPM2
0
0
0
0
1
1
1
1
0
0
1
1
1. 1/2 bias when LCD2B is written to one and 1/3 otherwise.
LCDMUX0
LCDPM1
R
7
–
0
0
0
1
1
0
0
1
1
0
1
0
1
LCDPS2
R/W
6
0
LCDPM0
Static
LCDPS1
Duty
1/2
1/3
1/4
0
1
0
1
0
1
0
1
R/W
5
0
LCDPS0
R/W
1/2 or 1/3
1/2 or 1/3
1/2 or 1/3
4
0
I/O Port in Use as
Static
Segment Driver
Bias
SEG0:12
SEG0:14
SEG0:16
SEG0:18
SEG0:20
SEG0:22
SEG0:23
SEG0:24
R
(1)
(1)
(1)
3
–
0
LCDCD2
COM Pin
COM0:1
COM0:2
COM0:3
R/W
COM0
2
0
ATmega169/V
LCDCD1
R/W
Maximum Number of
1
0
Segments
I/O Port Pin
LCDCD0
COM1:3
COM2:3
R/W
LCD_PS
COM3
None
0
0
13
15
17
19
21
23
24
25
), which
LCDFRR
221
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