ATTINY26L8SU SL383 Atmel, ATTINY26L8SU SL383 Datasheet - Page 46

• Manufacturer Part Number: ATTINY26L8SU SL383
• Description: MCU 8-Bit ATtiny AVR RISC 2KB Flash 3.3V/5V 20-Pin SOIC T/R
• Manufacturer: Atmel

46
ATtiny26(L)
signal transition on the pin will be delayed between ½ and 1½ system clock period
depending upon the time of assertion.
When reading back a software assigned pin value, a nop instruction must be inserted as
indicated in Figure 34. The out instruction sets the “SYNC LATCH” signal at the positive
edge of the clock. In this case, the delay t
clock period.
Figure 34. Synchronization when Reading a Software Assigned Pin Value
INSTRUCTIONS
SYSTEM CLK
SYNC LATCH
PINxn
r16
r17
out PORTx, r16
pd
0x00
through the synchronizer is one system
nop
t
pd
0xFF
in r17, PINx
1477J–AVR–06/07
0xFF