ATtiny13 Atmel Corporation, ATtiny13 Datasheet - Page 54
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ATtiny13
Manufacturer Part Number
ATtiny13
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny13
Flash (kbytes)
1 Kbytes
Pin Count
8
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
6
Ext Interrupts
6
Usb Speed
No
Usb Interface
No
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.06
Eeprom (bytes)
64
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
1
Output Compare Channels
2
Pwm Channels
2
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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10.3.1
54
ATtiny13
Alternate Functions of Port B
The overriding signals may not be present in all port pins, but
description applicable to all port pins in the AVR microcontroller family.
Table 10-2 on page 54
indexes from
signals are generated internally in the modules having the alternate function.
Table 10-2.
The following subsections shortly describe the alternate functions for each port, and relate the
overriding signals to the alternate function. Refer to the alternate function description for further
details.
The Port B pins with alternate function are shown in
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Figure 10-5 on page 53
Generic Description of Overriding Signals for Alternate Functions
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
Port Toggle
Override Enable
Digital Input Enable
Override Enable
Digital Input Enable
Override Value
Digital Input
Analog Input/Output
summarizes the function of the overriding signals. The pin and port
are not shown in the succeeding tables. The overriding
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 PTOE is set, the PORTxn Register bit is inverted.
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
mode).
If DIEOE is set, the Digital Input is enabled/disabled when
DIEOV is set/cleared, regardless of the MCU state (Normal
mode, sleep mode).
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 bi-directionally.
Table 10-3 on page
Figure 10-5
55.
serves as a generic
2535J–AVR–08/10