CHAPTER 5 PORT FUNCTIONS
User’s Manual U13045EJ2V0UM00
79
Figure 5-6. Block Diagram of P22, P23, and P25
PUB2:
Pull-up resistor option register B2
PM:
Port mode register
RD:
Port 2 read signal
WR:
Port 2 write signal
Internal bus
V
DD
P-ch
P22/RxD20/SI20
P23/INTP0/CPT20/
SS20
P25/INTP2/TI80
WR
PUB2
RD
WR
PORT
WR
PM
PUB22, PUB23,
PUB25
Alternate
function
Output latch
(P22, P23, P25)
PM22, PM23,
PM25
Selector
Содержание mPD789101
Страница 2: ...2 User s Manual U13045EJ2V0UM00 MEMO...
Страница 10: ...10 User s Manual U13045EJ2V0UM00 MEMO...
Страница 16: ...User s Manual U13045EJ2V0UM00 16 MEMO...
Страница 46: ...User s Manual U13045EJ2V0UM00 46 MEMO...
Страница 72: ...72 User s Manual U13045EJ2V0UM00 MEMO...
Страница 86: ...User s Manual U13045EJ2V0UM00 86 MEMO...
Страница 94: ...User s Manual U13045EJ2V0UM00 94 MEMO...
Страница 102: ...User s Manual U13045EJ2V0UM00 102 MEMO...
Страница 128: ...User s Manual U13045EJ2V0UM00 128 MEMO...
Страница 148: ...User s Manual U13045EJ2V0UM00 148 MEMO...
Страница 162: ...User s Manual U13045EJ2V0UM00 162 MEMO...
Страница 218: ...User s Manual U13045EJ2V0UM00 218 MEMO...
Страница 238: ...User s Manual U13045EJ2V0UM00 238 MEMO...
Страница 240: ...User s Manual U13045EJ2V0UM00 240 MEMO...
Страница 256: ...User s Manual U13045EJ2V0UM00 256 MEMO...
Страница 258: ...258 User s Manual U13045EJ2V0UM00 MEMO...
Страница 264: ...User s Manual U13045EJ2V0UM00 264 MEMO...