CHAPTER 4 PORT FUNCTIONS
87
User’s Manual U11302EJ4V0UM
Figure 4-6. Block Diagram of P22 and P27
PUO: Pull-up resistor option register
PM:
Port mode register
RD:
Port 2 read signal
WR:
Port 2 write signal
P-ch
WR
PM
WR
PORT
RD
WR
PUO
V
DD
P22/SCK1,
P27/SCK0
Selector
PUO2
Output latch
(P22, P27)
PM22, PM27
Alternate function
Internal bus
Содержание mPD780208 Subseries
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