Rainbow Electronics ATmega128RFA1 - Manual (Page 210)

210
8266A-MCU Wireless-12/09
ATmega128RFA1
14.4.18 PING – Port G Input Pins Address
Bit 7 6 5 4 3 2 1 0
$12 ($32) Res1 Res0 PING5 PING4 PING3 PING2 PING1 PING0 PING
Read/Write R R R R R R R R
Initial Value 0 0 0 0 0 0 0 0
This register allows access to the PORTG pins independent of the setting of the Data
Direction bit DDGn. The port pin can be read through the PINGn Register bit, and
writing a logic one to PINGn toggles the value of PORTGn.
• Bit 7:6 – Res1:0 - Reserved Bit
This bit is reserved for future use. A read access always will return zero. A write access
does not modify the content.
• Bit 5:0 – PING5:0 - Port G Input Pins Value