
CHAPTER 4 PORT FUNCTIONS
User’s Manual U15905EJ2V1UD
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Figure 4-31. Block Diagram of PCT2, PCT3, PCT5, and PCT7
Internal
bus
WRPM
RD
Address
WRPORT
PCT2, PCT3, PCT5, PCT7
PMCTn
Output latch
(PCTn)
PMCT
PCT
Selector
Remarks 1. PCT:
Port register CT
PMCT: Port mode register CT
2. n = 2, 3, 5, or 7