IC AVR MCU 4K 10MHZ 1.8V 32-QFN

 

ATMEGA48V-10MU

Manufacturer Part NumberATMEGA48V-10MU
DescriptionIC AVR MCU 4K 10MHZ 1.8V 32-QFN
ManufacturerAtmel
SeriesAVR® ATmega
ATMEGA48V-10MU datasheets
 

Specifications of ATMEGA48V-10MU

Core ProcessorAVRCore Size8-Bit
Speed10MHzConnectivityI²C, SPI, UART/USART
PeripheralsBrown-out Detect/Reset, POR, PWM, WDTNumber Of I /o23
Program Memory Size4KB (2K x 16)Program Memory TypeFLASH
Eeprom Size256 x 8Ram Size512 x 8
Voltage - Supply (vcc/vdd)1.8 V ~ 5.5 VData ConvertersA/D 8x10b
Oscillator TypeInternalOperating Temperature-40°C ~ 85°C
Package / Case32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFNPackage32MLF EP
Device CoreAVRFamily NameATmega
Maximum Speed10 MHzOperating Supply Voltage2.5|3.3|5 V
Data Bus Width8 BitNumber Of Programmable I/os23
Interface TypeSPI/TWI/USARTOn-chip Adc8-chx10-bit
Number Of Timers3Processor SeriesATMEGA48x
CoreAVR8Data Ram Size512 B
Maximum Clock Frequency10 MHzMaximum Operating Temperature+ 85 C
Mounting StyleSMD/SMT3rd Party Development ToolsEWAVR, EWAVR-BL
Minimum Operating Temperature- 40 CController Family/seriesAVR MEGA
No. Of I/o's23Eeprom Memory Size256Byte
Ram Memory Size512ByteCpu Speed10MHz
No. Of Timers3Rohs CompliantYes
For Use WithATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMLead Free Status / RoHS StatusLead free / RoHS Compliant
show all specifications
ATAVRTS2080B PDF datasheetATMEGA48-20AU PDF datasheet #2
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Page 118/378

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15.8
Compare Match Output Unit
The Compare Output mode (COM1x1:0) bits have two functions. The Waveform Generator uses
the COM1x1:0 bits for defining the Output Compare (OC1x) state at the next compare match.
Secondly the COM1x1:0 bits control the OC1x pin output source.
schematic of the logic affected by the COM1x1:0 bit setting. The I/O Registers, I/O bits, and I/O
pins in the figure are shown in bold. Only the parts of the general I/O Port Control Registers
(DDR and PORT) that are affected by the COM1x1:0 bits are shown. When referring to the
OC1x state, the reference is for the internal OC1x Register, not the OC1x pin. If a system reset
occur, the OC1x Register is reset to “0”.
Figure 15-5. Compare Match Output Unit, Schematic
COMnx1
COMnx0
FOCnx
clk
The general I/O port function is overridden by the Output Compare (OC1x) from the Waveform
Generator if either of the COM1x1:0 bits are set. However, the OC1x pin direction (input or out-
put) is still controlled by the Data Direction Register (DDR) for the port pin. The Data Direction
Register bit for the OC1x pin (DDR_OC1x) must be set as output before the OC1x value is visi-
ble on the pin. The port override function is generally independent of the Waveform Generation
mode, but there are some exceptions. Refer to
details.
The design of the Output Compare pin logic allows initialization of the OC1x state before the out-
put is enabled. Note that some COM1x1:0 bit settings are reserved for certain modes of
operation.
The COM1x1:0 bits have no effect on the Input Capture unit.
15.8.1
Compare Output Mode and Waveform Generation
The Waveform Generator uses the COM1x1:0 bits differently in normal, CTC, and PWM modes.
For all modes, setting the COM1x1:0 = 0 tells the Waveform Generator that no action on the
OC1x Register is to be performed on the next compare match. For compare output actions in the
ATmega48/88/168
118
Waveform
D
Generator
D
PORT
D
I/O
See “Register Description” on page 129.
Figure 15-5
shows a simplified
Q
1
OCnx
0
Q
Q
DDR
Table
15-1,
Table 15-2
and
OCnx
Pin
Table 15-3
for
2545S–AVR–07/10

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