CHAPTER 11 CLOCK OUTPUT CONTROLLER
Preliminary User’s Manual U16315EJ1V0UD
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(2) Port mode register 14 (PM14)
This register sets port 14 input/output in 1-bit units.
When using the P140/INTP6/PCL pin for clock output, set PM140 and the output latch of P140 to 0.
PM14 is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets PM14 to FFH.
Figure 11-3. Format of Port Mode Register 14 (PM14)
Address: FF2EH After reset: FFH R/W
Symbol
7
6
5
4
3
2
1
0
PM14
1
1
1
1
1
1
1
PM140
PM140
P140 pin I/O mode selection
0
Output mode (output buffer on)
1
Input mode (output buffer off)
Содержание 78K0/KD1 Series
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