LAPIS Semiconductor ML610471, Руководство пользователя, Страница: 196 / 281

ML610471/472/473/Q471/Q472/Q473 User's Manual
Chapter 15 Port 4
15-8
15.2.5 Port 4 Mode Registers 0, 1 (P4MOD0, P4MOD1)
Address: 0F224H
Access: R/W
Access size: 8/16 bit
Initial value: 00H
7 6 5 4 3 2 1 0
P4MOD0
P47MD0 P46MD0 P45MD0 P44MD0 P43MD0 P42MD0
⎯ ⎯
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: 0F225H
Access: R/W
Access size: 8-bit
Initial value: 00H
7 6 5 4 3 2 1 0
P4MOD1
P47MD1 P46MD1 P45MD1 P44MD1 P43MD1 P42MD1
⎯ ⎯
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
P4MOD0 and P4MOD1 are special function registers (SFRs) to select the primary, secondary, or tertiary function of Port
4.
[Description of Bits]
•
P47MD1, P47MD0 (bit 7)
The P47MD1 and P47MD0 bits are used to select the primary or secondary function of the P47 pin.
P47MD1 P47MD0 Description
0 0 General-purpose input/output mode (initial value)
0 1 Resistor sensor connection pin for measurement for RC-ADC (channel
1)
1 0 Prohibited
1 1 Prohibited
•
P46MD1, P46MD0 (bit 6)
The P46MD1 and P46MD0 bits are used to select the primary, secondary, or tertiary function of the P46 pin.
P46MD1 P46MD0 Description
0 0 General-purpose input/output mode (initial value)
0 1 Reference resistor connection pin for RC-ADC (channel 1)
1 0 Prohibited
1 1 Prohibited
•
P45MD1, P45MD0 (bit 5)
The P45MD1 and P45MD0 bits are used to select the primary, secondary, or tertiary function of the P45 pin.
P45MD1 P45MD0
Description
0 0 General-purpose input/output mode (initial value)
0 1 Reference capacitor connection pin for RC-ADC (channel 1)
1 0 Prohibited
1 1 Prohibited