Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 145
Sep 27, 2010
Figure 4-13. Block Diagram of P22
(1) Products without operational amplifier
Internal bus
P22/ANI2
RD
WR
PORT
WR PM
Output latch
(P22)
PM22
Selector
PM2
A/D converter
P2
(2) Products with operational amplifier
Internal bus
P22/ANI2/AMP0+
RD
WR
PORT
WR PM
Output latch
(P22)
PM22
Selector
PM2
P2
A/D converter
Operational amplifier (+) input
P2: Port register 2
PM2: Port mode register 2
RD: Read signal
WR××: Write signal