LAPIS Semiconductor ML610421, Руководство пользователя, Страница: 267 / 437

ML610Q421/ML610Q422/ML610421 User’s Manual
Chapter 20 Port 3
20 – 8
20.2.5 Port 3 mode registers 0, 1 (P3MOD0, P3MOD1)
Address: 0F21CH
Access: R/W
Access size: 8/16 bits
Initial value: 00H
7 6 5 4 3 2 1 0
P3MOD0
 
P35MD0 P34MD0 P33MD0 P32MD0 P31MD0 P30MD0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
Address: 0F21DH
Access: R/W
Access size: 8 bits
Initial value: 00H
7 6 5 4 3 2 1 0
P3MOD1
 
P35MD1 P34MD1 P33MD1 P32MD1 P31MD1 P30MD1
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
P3MOD0 and P3MOD1 are special function registers (SFRs) to select the primary, secondary, or tertiary function of
Port 3.
[Description of Bits]
•
P35MD1, P35MD0 (bit 5)
The P35MD1 and P35MD0 bits are used to select the primary or secondary function of the P35 pin.
P35MD1 P35MD0 Description
0 0 General-purpose input/output mode (initial value)
0 1 RC oscillation monitor pin for RC-ADC
1 0 Prohibited
1 1 Prohibited
•
P34MD1, P34MD0 (bit 4)
The P34MD1 and P34MD0 bits are used to select the primary, secondary, or tertiary function of the P34 pin.
P34MD1 P34MD0 Description
0 0 General-purpose input/output mode (initial value)
0 1
Resistor/capacitor sensor connection pin for measurement for RC-ADC
(channel 0)
1 0 PWM0 output pin
1 1 Prohibited
•
P33MD1, P33MD0 (bit 3)
The P33MD1 and P33MD0 bits are used to select the primary or secondary function of the P33 pin.
P33MD1 P33MD0 Description
0 0 General-purpose input/output mode (initial value)
0 1
Resistor/capacitor sensor connection pin for measurement for RC-ADC
(channel 0)
1 0 Prohibited
1 1 Prohibited