Datasheet

Section 8 I/O Ports

Rev. 2.00 Sep. 28, 2009 Page 225 of 870

REJ09B0429-0200

• P90/LWR/LBE

The pin function is switched as shown below according to the operating mode, the ABW and

ABW256 bits in WSCR, the OBE bit in PTCNT0, and the P90DDR bit.

Operating

mode

Extended mode Single-chip mode

ABW, ABW256 All 1 Either bit is 0 X

OBE 0 1 X

P90DDR 0 1 X 0 1

Pin function P90 input

P90 output

LWR output

LBE output

P90 input pin P90 output pin

[Legend] X: Don't care.