ATMEGA169PV-8AU Atmel, ATMEGA169PV-8AU Datasheet - Page 60
![IC AVR MCU 16K 8MHZ 1.8V 64-TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA169PV-8AU
Manufacturer Part Number
ATMEGA169PV-8AU
Description
IC AVR MCU 16K 8MHZ 1.8V 64-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA169PV-8AU
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-TQFP, 64-VQFP
Processor Series
ATMEGA16x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SPI, USART, USI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
54
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
1KB
# I/os (max)
54
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
2.5/3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
1.8V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Package Type
TQFP
Package
64TQFP
Family Name
ATmega
Maximum Speed
8 MHz
Operating Supply Voltage
2.5|3.3|5 V
Controller Family/series
AVR MEGA
No. Of I/o's
54
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
Cpu Speed
8MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATAVRBFLY - KIT EVALUATION AVR BUTTERFLYATSTK502 - MOD EXPANSION AVR STARTER 500ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA169PV-8AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 60 of 395
- Download datasheet (9Mb)
11.2.1
8018P–AVR–08/10
MCUCR – MCU Control Register
• Bit 1 – IVSEL: Interrupt Vector Select
When the IVSEL bit is cleared (zero), the Interrupt Vectors are placed at the start of the Flash
memory. When this bit is set (one), the Interrupt Vectors are moved to the beginning of the Boot
Loader section of the Flash. The actual address of the start of the Boot Flash Section is deter-
mined by the BOOTSZ Fuses. Refer to the section
Self-Programming” on page 280
• Bit 0 – IVCE: Interrupt Vector Change Enable
The IVCE bit must be written to logic one to enable change of the IVSEL bit. IVCE is cleared by
hardware four cycles after it is written or when IVSEL is written. Setting the IVCE bit will disable
interrupts, as explained in the description in
Space” on page
Bit
0x35 (0x55)
Read/Write
Initial Value
Assembly Code Example
C Code Example
Move_interrupts:
; Get MCUCR
in r16, MCUCR
mov r17, r16
; Enable change of Interrupt Vectors
ori r16, (1<<IVCE)
out MCUCR, r16
; Move interrupts to Boot Flash section
ori r17, (1<<IVSEL)
out MCUCR, r17
ret
void Move_interrupts(void)
{
/* Get MCUCR*/
/* Enable change of Interrupt Vectors */
/* Move interrupts to Boot Flash section
}
uchar temp;
temp = MCUCR;
MCUCR = temp | (1<<IVCE);
*/ MCUCR = temp | (1<<IVSEL);
R/W
59. See Code Example.
JTD
7
0
R
6
0
-
for details.
R
5
0
-
PUD
R/W
4
0
”Moving Interrupts Between Application and Boot
”Boot Loader Support – Read-While-Write
R
3
–
0
R
2
–
0
IVSEL
ATmega169P
R/W
1
0
IVCE
R/W
0
0
MCUCR
60
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