Datasheet

CHAPTER 14 SERIAL INTERFACE UART6
User’s Manual U18698EJ1V0UD
352
(10) Port mode register 11 (PM11)
This register sets port 11 input/output in 1-bit units.
When using the P112/SEG6/TXD6 pin for serial interface data output, clear PM112 to 0 and set the output latch of
P112 to 1.
When using the P113/SEG7/R
XD6 pin for serial interface data input, set PM113 to 1. The output latch of P113 at
this time may be 0 or 1.
PM11 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets this register to FFH.
Figure 14-14. Format of Port Mode Register 11 (PM11)
Address: FF2BH After reset: FFH R/W
Symbol 7 6 5 4 3 2 1 0
PM11 1 1 1 1 PM113 PM112 1 1
PM11n P11n pin I/O mode selection (n = 2, 3)
0 Output mode (output buffer on)
1 Input mode (output buffer off)