RL78/F13, F14 CHAPTER 4 PORT FUNCTIONS
R01UH0368EJ0210 Rev.2.10 266
Dec 10, 2015
Figure 4-45. Block Diagram of P74
P74/KR4/
(SO10)/(TXD1)
ANI30
WR
PU
RD
WR
PORT
PU74
(KR4)
P74
EV
DD
P-ch
PU7
P7
WR
PM
PM7
PM74
WR
PMC
PMC7
PMC74
WR
PMS
PMS
PMS0
(SO10)/(TXD1)
Internal bus
Output latch
Alternate function
Alternate function
Selector
A/D converter
ADS
ADS4 to ADS0
P7: Port register 7
PU7: Pull-up resistor option register 7
PM7: Port mode register 7
PMC7: Port mode control register 7
PMS: Port mode select register
ADS: Analog input channel specification register
RD: Read signal
WRxx: Write signal