ATMEGA169V-8MI Atmel, ATMEGA169V-8MI Datasheet - Page 62
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ATMEGA169V-8MI
Manufacturer Part Number
ATMEGA169V-8MI
Description
IC MCU AVR 16K 1.8V 1MHZ 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA169V-8MI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-MLF®, 64-QFN
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
ATMEGA169V-1MI
ATMEGA169V-1MI
ATMEGA169V-1MI
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MCU Control Register –
MCUCR
Alternate Functions of Port A
62
ATmega169/V
• Bit 4 – PUD: Pull-up Disable
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn
and PORTxn Registers are configured to enable the pull-ups ({DDxn, PORTxn} = 0b01).
See “Configuring the Pin” on page 56 for more details about this feature.
The Port A has an alternate function as COM0:3 and SEG0:3 for the LCD Controller.
Table 27. Port A Pins Alternate Functions
Table 28 and Table 29 relates the alternate functions of Port A to the overriding signals
shown in Figure 26 on page 60.
Table 28. Overriding Signals for Alternate Functions in PA7..PA4
Bit
Read/Write
Initial Value
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
JTD
R/W
7
0
PA7/SEG3
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
SEG3
R
6
–
0
Alternate Function
SEG3 (LCD Front Plane 3)
SEG2 (LCD Front Plane 2)
SEG1 (LCD Front Plane 1)
SEG0 (LCD Front Plane 0)
COM3 (LCD Back Plane 3)
COM2 (LCD Back Plane 2)
COM1 (LCD Back Plane 1)
COM0 (LCD Back Plane 0)
R
5
–
0
PA6/SEG2
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
SEG2
PUD
R/W
4
0
R
3
–
0
PA5/SEG1
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
SEG1
R
2
–
0
IVSEL
R/W
1
0
PA4/SEG0
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
SEG0
IVCE
R/W
2514P–AVR–07/06
0
0
MCUCR
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