CHAPTER 4 PORT FUNCTIONS
User's Manual U11919EJ3V0UM00
75
Figure 4-6. Block Diagram of P22
Internal Bus
WR
PUO
RD
WR
PORT
WR
PM
Output Latch
(P22)
PM22
Selector
PUO2
V
DD0
P-ch
P22/RxD/SI0
Alternate
Function
PUO : Pull-up resistor option register
PM
: Port mode register
RD
: Port 2 read signal
WR : Port 2 write signal
Summary of Contents for mPD789026 Subseries
Page 2: ...User s Manual U11919EJ3V0UM00 2 MEMO...
Page 8: ...User s Manual U11919EJ3V0UM00 8 MEMO...
Page 12: ...User s Manual U11919EJ3V0UM00 12 MEMO...
Page 22: ...User s Manual U11919EJ3V0UM00 22 MEMO...
Page 32: ...User s Manual U11919EJ3V0UM00 32 MEMO...
Page 84: ...User s Manual U11919EJ3V0UM00 84 MEMO...
Page 92: ...User s Manual U11919EJ3V0UM00 92 MEMO...
Page 104: ...User s Manual U11919EJ3V0UM00 104 MEMO...
Page 166: ...User s Manual U11919EJ3V0UM00 166 MEMO...
Page 178: ...User s Manual U11919EJ3V0UM00 178 MEMO...
Page 184: ...User s Manual U11919EJ3V0UM00 184 MEMO...
Page 204: ...User s Manual U11919EJ3V0UM00 204 MEMO...
Page 206: ...User s Manual U11919EJ3V0UM00 206 MEMO...