ATMEGA169-16AU Atmel, ATMEGA169-16AU Datasheet - Page 243

• Manufacturer Part Number: ATMEGA169-16AU
• Description: IC AVR MCU 16K 16MHZ 5V 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA169-16AU

• 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: Lead free / RoHS Compliant

2514P–AVR–07/06
Table 105. Boundary-scan Signals for the ADC
Signal
Name
HOLD
IREFEN
MUXEN_7
MUXEN_6
MUXEN_5
MUXEN_4
MUXEN_3
MUXEN_2
MUXEN_1
MUXEN_0
NEGSEL_2
NEGSEL_1
NEGSEL_0
PASSEN
PRECH
Direction
as Seen
from the
ADC
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Description
Sample & Hold signal.
Sample analog signal
when low. Hold signal
when high. If
differential amplifier is
used, this signal must
go active when ACLK
is high.
Enables Band-gap
reference as AREF
signal to DAC
Input Mux bit 7
Input Mux bit 6
Input Mux bit 5
Input Mux bit 4
Input Mux bit 3
Input Mux bit 2
Input Mux bit 1
Input Mux bit 0
Input Mux for negative
input for differential
signal, bit 2
Input Mux for negative
input for differential
signal, bit 1
Input Mux for negative
input for differential
signal, bit 0
Enable pass-gate of
differential amplifier.
Precharge output latch
of comparator. (Active
low)
(1)
Recommen-
ded Input
when not
in Use
(Continued)
1
0
0
0
0
0
0
0
0
1
0
0
0
1
1
ATmega169/V
Output Values when
Recommended Inputs
are Used, and CPU is
not Using the ADC
1
0
0
0
0
0
0
0
0
1
0
0
0
1
1
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