HD64F2168 Datasheet, PDF (271/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

SSE
C/A
CKE1
PA0DDR
Pin function
0


0
PA0 input pin
KIN8 input pin
/EVENT0 input pin
1
PA0 output pin
1
1
1

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
PAnODR
PAn pull-up MOS
[Legend]
n = 7 to 0
0
1
0
ON
OFF
1

OFF
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
Off
Off
On/Off
[Legend]
Off: Always off.
On/Off: On when PADDR = 0 and PAODR = 1; otherwise off.
In Other Operations
On/Off
Rev. 3.00, 03/04, page 231 of 830