MCU AVR 16K FLASH 16MHZ 40-PDIP

ATMEGA16A-PU

Manufacturer Part NumberATMEGA16A-PU
DescriptionMCU AVR 16K FLASH 16MHZ 40-PDIP
ManufacturerAtmel
SeriesAVR® ATmega
ATMEGA16A-PU datasheets
 


Specifications of ATMEGA16A-PU

Core ProcessorAVRCore Size8-Bit
Speed16MHzConnectivityI²C, SPI, UART/USART
PeripheralsBrown-out Detect/Reset, POR, PWM, WDTNumber Of I /o32
Program Memory Size16KB (8K x 16)Program Memory TypeFLASH
Eeprom Size512 x 8Ram Size1K x 8
Voltage - Supply (vcc/vdd)2.7 V ~ 5.5 VData ConvertersA/D 8x10b
Oscillator TypeInternalOperating Temperature-40°C ~ 85°C
Package / Case40-DIP (0.600", 15.24mm)Processor SeriesATMEGA16x
CoreAVR8Data Bus Width8 bit
Data Ram Size1 KBInterface Type2-Wire/SPI/USART
Maximum Clock Frequency16 MHzNumber Of Programmable I/os32
Number Of Timers3Maximum Operating Temperature+ 85 C
Mounting StyleThrough Hole3rd Party Development ToolsEWAVR, EWAVR-BL
Development Tools By SupplierATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKITMinimum Operating Temperature- 40 C
On-chip Adc8-ch x 10-bitPackage40PDIP
Device CoreAVRFamily NameATmega
Maximum Speed16 MHzOperating Supply Voltage3.3|5 V
Controller Family/seriesAVR MEGANo. Of I/o's32
Eeprom Memory Size512ByteRam Memory Size1KB
Cpu Speed16MHzRohs CompliantYes
For Use WithATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KITLead Free Status / RoHS StatusLead free / RoHS Compliant
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Page 194/352

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Table 20-4.
Status Codes for Slave Receiver Mode
Status Code
(TWSR)
Status of the Two-wire Serial Bus
Prescaler Bits
and Two-wire Serial Interface
are 0
Hardware
$60
Own SLA+W has been received;
ACK has been returned
$68
Arbitration lost in SLA+R/W as
Master; own SLA+W has been
received; ACK has been returned
$70
General call address has been
received; ACK has been returned
$78
Arbitration lost in SLA+R/W as
Master; General call address has
been received; ACK has been
returned
$80
Previously addressed with own
SLA+W; data has been received;
ACK has been returned
$88
Previously addressed with own
SLA+W; data has been received;
NOT ACK has been returned
$90
Previously addressed with
general call; data has been re-
ceived; ACK has been returned
$98
Previously addressed with
general call; data has been
received; NOT ACK has been
returned
$A0
A STOP condition or repeated
START condition has been
received while still addressed as
Slave
ATmega16A
194
Application Software Response
To TWCR
To/from TWDR
STO
TWINT
STA
0
1
No TWDR action or
X
0
1
No TWDR action
X
0
1
No TWDR action or
X
0
1
No TWDR action
X
0
1
No TWDR action or
X
0
1
No TWDR action
X
0
1
No TWDR action or
X
0
1
No TWDR action
X
0
1
Read data byte or
X
0
1
Read data byte
X
0
1
Read data byte or
0
0
1
Read data byte or
0
0
1
Read data byte or
1
0
1
Read data byte
1
0
1
Read data byte or
X
0
1
Read data byte
X
0
1
Read data byte or
0
0
1
Read data byte or
0
0
1
Read data byte or
1
0
1
Read data byte
1
0
1
No action
0
0
1
0
0
1
1
0
1
1
TWEA
Next Action Taken by TWI Hardware
0
Data byte will be received and NOT ACK will be
returned
1
Data byte will be received and ACK will be returned
0
Data byte will be received and NOT ACK will be
returned
1
Data byte will be received and ACK will be returned
0
Data byte will be received and NOT ACK will be
returned
1
Data byte will be received and ACK will be returned
0
Data byte will be received and NOT ACK will be
returned
1
Data byte will be received and ACK will be returned
0
Data byte will be received and NOT ACK will be
returned
1
Data byte will be received and ACK will be returned
0
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA
1
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”
0
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA;
a START condition will be transmitted when the bus
becomes free
1
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”;
a START condition will be transmitted when the bus
becomes free
0
Data byte will be received and NOT ACK will be
returned
1
Data byte will be received and ACK will be returned
0
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA
1
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”
0
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA;
a START condition will be transmitted when the bus
becomes free
1
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”;
a START condition will be transmitted when the bus
becomes free
0
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA
1
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”
0
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA;
a START condition will be transmitted when the bus
becomes free
1
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”;
a START condition will be transmitted when the bus
becomes free
8154B–AVR–07/09