ATTINY9-MAH Atmel, ATTINY9-MAH Datasheet - Page 46
![IC MCU AVR 1K FLASH 8UDFN](/photos/12/32/123206/8-udfn-8ma4_sml.jpg)
ATTINY9-MAH
Manufacturer Part Number
ATTINY9-MAH
Description
IC MCU AVR 1K FLASH 8UDFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY9-MAH
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Peripherals
POR, PWM, WDT
Number Of I /o
4
Program Memory Size
1KB (512 x 16)
Program Memory Type
FLASH
Ram Size
32 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-UFDFN Exposed Pad
Core
AVR8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY9-MAHR
Manufacturer:
ST
Quantity:
101
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10.2.7
10.3
46
Alternate Port Functions
ATtiny4/5/9/10
Program Example
The following code example shows how to set port B pin 0 high, pin 1 low, and define the port
pins from 2 to 3 as input with a pull-up assigned to port pin 2. The resulting pin values are read
back again, but as previously discussed, a nop instruction is included to be able to read back the
value recently assigned to some of the pins.
Note:
Most port pins have alternate functions in addition to being general digital I/Os. In
below is shown how the port pin control signals from the simplified
be overridden by alternate functions.
Assembly Code Example
...
; Define pull-ups and set outputs high
; Define directions for port pins
ldi
ldi
ldi
out
out
out
; Insert nop for synchronization
nop
; Read port pins
in
...
See
“Code Examples” on page
r16,(1<<PUEB2)
r17,(1<<PB0)
r18,(1<<DDB1)|(1<<DDB0)
PUEB,r16
PORTB,r17
DDRB,r18
r16,PINB
5.
Figure 10-2 on page 42
8127D–AVR–02/10
Figure 10-6
can
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