Datasheet

78K0/Ix2 CHAPTER 4 PORT FUNCTIONS
R01UH0010EJ0500 Rev.5.00 113
Feb 28, 2012
Figure 4-6. Block Diagram of P22
P22/ANI2/AMP+
Note
RD
WR
PORT
WR PM
PM22
PM2
P2
Operational amplifier (+) input
Internal bus
Output latch
(P22)
Selector
A/D converter
Note Products with operational amplifier only
Figure 4-7. Block Diagram of P23
P23/ANI3/CMP2+
RD
WR
PORT
WRPM
Output latch
(P23)
PM23
PM2
A/D converter
Comparator 2 (+) input
P2
Internal bus
Selector
P2: Port register 2
PM2: Port mode register 2
RD: Read signal
WR: Write signal