ATTINY4-TSHR Atmel, ATTINY4-TSHR Datasheet - Page 44
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
ATTINY4-TSHR
Manufacturer Part Number
ATTINY4-TSHR
Description
IC MCU AVR 512B FLASH SOT-23-6
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY10-TSHR.pdf
(169 pages)
Specifications of ATTINY4-TSHR
Package / Case
SOT-23-6
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
12MHz
Number Of I /o
4
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32 x 8
Program Memory Size
512B (512 x 8)
Oscillator Type
Internal
Peripherals
POR, PWM, WDT
Core Size
8-Bit
Controller Family/series
ATtiny
No. Of I/o's
4
Ram Memory Size
32Byte
Cpu Speed
12MHz
No. Of Timers
1
Rohs Compliant
Yes
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
32 B
Interface Type
ISP
Maximum Clock Frequency
12 MHz
Number Of Programmable I/os
4
Number Of Timers
1
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
Package
6SOT-23
Device Core
AVR
Family Name
ATtiny
Maximum Speed
12 MHz
Operating Supply Voltage
2.5|3.3|5 V
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
Part Number:
ATTINY4-TSHR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
10.2.4
44
ATtiny4/5/9/10
Reading the Pin Value
Figure 10-3. Switching Between Input and Output in Break-Before-Make-Mode
Independent of the setting of Data Direction bit DDxn, the port pin can be read through the
PINxn Register bit. As shown in
ing latch constitute a synchronizer. This is needed to avoid metastability if the physical pin
changes value near the edge of the internal clock, but it also introduces a delay.
shows a timing diagram of the synchronization when reading an externally applied pin value.
The maximum and minimum propagation delays are denoted t
Figure 10-4. Synchronization when Reading an Externally Applied Pin value
Consider the clock period starting shortly after the first falling edge of the system clock. The latch
is closed when the clock is low, and goes transparent when the clock is high, as indicated by the
shaded region of the “SYNC LATCH” signal. The signal value is latched when the system clock
goes low. It is clocked into the PINxn Register at the succeeding positive clock edge. As indi-
cated by the two arrows tpd,max and tpd,min, a single signal transition on the pin will be delayed
between ½ and 1½ system clock period depending upon the time of assertion.
INSTRUCTIONS
SYSTEM CLK
INSTRUCTIONS
SYSTEM CLK
SYNC LATCH
PORTx
DDRx
Px0
Px1
r16
r17
PINxn
r17
0x01
tri-state
out DDRx, r16
Figure 10-2 on page
XXX
intermediate tri-state cycle
0x02
tri-state
nop
t
pd, max
0x02
0x01
0x55
0x00
XXX
42, the PINxn Register bit and the preced-
out DDRx, r17
t
pd, min
pd,max
in r17, PINx
and t
intermediate tri-state cycle
tri-state
0x01
pd,min
respectively.
8127D–AVR–02/10
0xFF
Figure 10-4