ATMEGA16-16AC Atmel, ATMEGA16-16AC Datasheet - Page 281
![IC AVR MCU 16K 16MHZ COM 44-TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA16-16AC
Manufacturer Part Number
ATMEGA16-16AC
Description
IC AVR MCU 16K 16MHZ COM 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA16-16AC
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Reset Register
Programming Enable
Register
2466T–AVR–07/10
The Reset Register is a Test Data Register used to reset the part during programming. It is
required to reset the part before entering programming mode.
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
The Programming Enable Register is a 16-bit register. The contents of this register is compared
to the programming enable signature, binary code 1010_0011_0111_0000. When the contents
of the register is equal to the programming enable signature, programming via the JTAG port is
enabled. The register is reset to 0 on Power-on Reset, and should always be reset when leaving
Programming mode.
Figure 140. Programming Enable Register
TDO
TDI
D
A
A
T
25) after releasing the Reset Register. The output from this Data Register is
$A370
=
ClockDR & PROG_ENABLE
D
Q
Programming Enable
Figure 115 on page
ATmega16(L)
230.
“Clock
281
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