ATTINY26-16SJ Atmel, ATTINY26-16SJ Datasheet - Page 47
![ID MCU AVR 2K 5V 16MHZ 20-SOIC](/photos/6/80/68042/453-20-soic_sml.jpg)
ATTINY26-16SJ
Manufacturer Part Number
ATTINY26-16SJ
Description
ID MCU AVR 2K 5V 16MHZ 20-SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY26-16SJ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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1477K–AVR–08/10
Table 22 summarizes the function of the overriding signals. The pin and port indexes from Fig-
ure 35 are not shown in the succeeding tables. The overriding signals are generated internally in
the modules having the alternate function.
Table 22. Generic Description of Overriding Signals for Alternate Functions
The following subsections shortly describes the alternate functions for each port, and relates the
overriding signals to the alternate function. Refer to the alternate function description for further
details.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Full Name
Pull-up Override
Enable
Pull-up Override
Value
Data Direction
Override Enable
Data Direction
Override Value
Port Value
Override Enable
Port Value
Override Value
Digital Input Enable
Override Enable
Digital Input Enable
Override Value
Digital Input
Analog Input/output
Description
If this signal is set, the pull-up enable is controlled by
the PUOV signal. If this signal is cleared, the pull-up is
enabled when {DDxn, PORTxn, PUD} = 0b010.
If PUOE is set, the pull-up is enabled/disabled when
PUOV is set/cleared, regardless of the setting of the
DDxn, PORTxn, and PUD Register bits.
If this signal is set, the Output Driver Enable is
controlled by the DDOV signal. If this signal is cleared,
the Output driver is enabled by the DDxn Register bit.
If DDOE is set, the Output Driver is enabled/disabled
when DDOV is set/cleared, regardless of the setting of
the DDxn Register bit.
If this signal is set and the Output Driver is enabled,
the port value is controlled by the PVOV signal. If
PVOE is cleared, and the Output Driver is enabled, the
port Value is controlled by the PORTxn Register bit.
If PVOE is set, the port value is set to PVOV,
regardless of the setting of the PORTxn Register bit.
If this bit is set, the Digital Input Enable is controlled by
the DIEOV signal. If this signal is cleared, the Digital
Input Enable is determined by MCU-state (Normal
mode, sleep modes).
If DIEOE is set, the Digital Input is enabled/disabled
when DIEOV is set/cleared, regardless of the MCU
state (Normal mode, sleep modes).
This is the Digital Input to alternate functions. In the
figure, the signal is connected to the output of the
schmitt trigger but before the synchronizer. Unless the
Digital Input is used as a clock source, the module with
the alternate function will use its own synchronizer.
This is the Analog Input/Output to/from alternate
functions. The signal is connected directly to the pad,
and can be used bidirectionally.
47
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