Datasheet

Rev. 3.00, 03/04, page 231 of 830
SSE 0 1
C/A  1
CKE1  1
PA0DDR 0 1 
PA0 input pin Pin function
KIN8 input pin
/EVENT0 input pin
PA0 output pin SSE0I
8.10.5 Input Pull-Up MOS
Port A has a built-in input pull-up MOS that can be controlled by software. This input pull-up
MOS can be used in any operating mode, and can be specified as on or off on a bit-by-bit basis.
PAnDDR 0 1
PAnODR 1 0 
PAn pull-up MOS ON OFF OFF
[Legend]
n = 7 to 0
The input pull-up MOS is in the off state after a reset and in hardware standby mode. The prior
state is retained in software standby mode.
Table 8.6 summarizes the input pull-up MOS states.
Table 8.6 Port A Input Pull-Up MOS States
Reset
Hardware Standby
Mode
Software Standby
Mode In Other Operations
Off Off On/Off On/Off
[Legend]
Off: Always off.
On/Off: On when PADDR = 0 and PAODR = 1; otherwise off.