NEC mPD780852 Series Preliminary User's Manual page 151

(2) Port mode register 6 (PM6)
This register sets port 6 input/output in 1-bit units.
When using the P60/PCL/TPO pin for clock output, set PM60 and the output latch of P60 to 0.
PM6 is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets PM6 to FFH.
Address: FF26H After Reset: FFH R/W
Symbol 7
PM6 1
PM6n
0
1
CHAPTER 11 CLOCK OUTPUT CONTROLLER
Figure 11-3. Port Mode Register 6 (PM6) Format
6 5
1 1
P6n Pin Input/Output Mode Selection (n = 0, 1)
Output mode (output buffer on)
Input mode (output buffer off)
Preliminary User's Manual U14581EJ3V0UM00
4 3 2
1 1 1
1 0
PM61 PM60
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