ATMEGA169P-16MCU Atmel, ATMEGA169P-16MCU Datasheet - Page 260
ATMEGA169P-16MCU
Manufacturer Part Number
ATMEGA169P-16MCU
Description
MCU AVR 16K ISP FLSH 16MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA169PV-8AU.pdf
(395 pages)
Specifications of ATMEGA169P-16MCU
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-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
For Use With
ATAVRBFLY - KIT EVALUATION AVR BUTTERFLYATSTK502 - MOD EXPANSION AVR STARTER 500
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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25.3
25.3.1
25.3.2
25.3.2.1
25.3.2.2
25.3.2.3
25.3.3
8018P–AVR–08/10
Data Registers
Bypass Register
Device Identification Register
Reset Register
Version
Part Number
Manufacturer ID
The Data Registers relevant for Boundary-scan operations are:
• Bypass Register
• Device Identification Register
• Reset Register
• Boundary-scan Chain
The Bypass Register consists of a single Shift Register stage. When the Bypass Register is
selected as path between TDI and TDO, the register is reset to 0 when leaving the Capture-DR
controller state. The Bypass Register can be used to shorten the scan chain on a system when
the other devices are to be tested.
Figure 25-1
Figure 25-1. The Format of the Device Identification Register.
Version is a 4-bit number identifying the revision of the component. The JTAG version number
follows the revision of the device. Revision A is 0x0, revision B is 0x1 and so on.
The part number is a 16-bit code identifying the component. The JTAG Part Number for
ATmega169P is listed in
The Manufacturer ID is a 11-bit code identifying the manufacturer. The JTAG manufacturer ID
for ATMEL is listed in
The Reset Register is a test Data Register used to reset the part. Since the AVR tri-states Port
Pins when reset, the Reset Register can also replace the function of the unimplemented optional
JTAG instruction HIGHZ.
A high value in the Reset Register corresponds to pulling the external Reset low. The part is
reset as long as there is a high value present in the Reset Register. Depending on the fuse set-
tings for the clock options, the part will remain reset for a reset time-out period (refer to
Sources” on page
not latched, so the reset will take place immediately, as shown in
Bit
Device ID
shows the structure of the Device Identification Register.
MSB
31
Version
4 bits
31) after releasing the Reset Register. The output from this Data Register is
Table 27-6 on page
28
Table 27-6 on page
27
Part Number
16 bits
299.
299.
12
11
Figure 25-2 on page
Manufacturer ID
ATmega169P
11 bits
1
261.
”Clock
LSB
1-bit
1
0
260
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