Renesas RL78/G1P Hardware User Manual page 91

RL78/G1P
For example, figures 4-5 and 4-6 show block diagrams of port 2 for 32-pin products.
WR
ADPC
RD
WR
PORT
WR
PM
ADPC: A/D port configuration register
P2: Port register 2
PM2: Port mode register 2
RD: Read signal
WR: Write signal
WR
ADPC
RD
WR
PORT
WR
PM
P2: Port register 2
PM2: Port mode register 2
RD: Read signal
WR: Write signal
R01UH0895EJ0100 Rev.1.00
Nov 29, 2019
Figure 4-5. Block Diagram of P20, P21, P24 to P27
ADPC
0: Analog input
1: Digital I/O
ADPC0, ADPC1,
ADPC4 to ADPC7
P2
Output latch
(P20, P21, P24 to P27)
PM2
PM20, PM21,
PM24 to PM27
A/D converter
Figure 4-6. Block Diagram of P22 and P23
ADPC
ADPC2, ADPC3
P2
Output latch
(P22, P23)
PM2
PM22, PM23
A/D converter
D/A converter
0: Analog input
1: Digital I/O
CHAPTER 4 PORT FUNCTIONS
P20/ANI0/AV
REFP
P21/ANI1/AV
REFM
P24/ANI4 to P27/ANI7
P22/ANI2/ANO0,
P23/ANI3/ANO1
,
,
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