899
Chapter 20
Port Functions
User’s Manual U16580EE3V1UD00
(2)
Control registers
(a) Port register 1 (P1)
The P1 register 1 is an 8-bit register that controls reading the pin levels and writing the output
levels of port pins P10 to P17.
This register can be read or written in 8-bit or 1-bit units.
Reset input causes an undefined register content.
Figure 20-24:
Port Register 1 (P1)
Remark:
n = 0 to 7
(b) Port mode register 1 (PM1)
The PM1 register is an 8-bit register that specifies the input or output mode.
This register can be read or written in 8-bit or 1-bit units.
Reset input sets this register to FFH.
Figure 20-25:
Port Mode Register 1 (PM1)
Remark:
n = 0 to 7
After reset:
Undefined
R/W
Address:
FFFFF402H
7
6
5
4
3
2
1
0
P1
P17
P16
P15
P14
P13
P12
P11
P10
P1n
Input/Output Data Control of Pin P1n
0
Input mode: Low level is input
Output mode: Low level is output
1
Input mode: High level is input
Output mode: High level is output
After reset:
FFH
R/W
Address:
FFFFF422H
7
6
5
4
3
2
1
0
PM1
PM17
PM16
PM15
PM14
PM13
PM12
PM11
PM10
PM1n
Input/Output Mode Control of Pin P1n (in Port Mode)
0
Output mode
1
Input mode
Содержание MuPD70F3187
Страница 6: ...6 Preface User s Manual U16580EE3V1UD00 ...
Страница 16: ...16 User s Manual U16580EE3V1UD00 ...
Страница 28: ...28 User s Manual U16580EE3V1UD00 ...
Страница 32: ...32 User s Manual U16580EE3V1UD00 ...
Страница 84: ...84 Chapter 2 Pin Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 192: ...192 Chapter 5 Memory Access Control Function μPD70F3187 only User s Manual U16580EE3V1UD00 MEMO ...
Страница 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Страница 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
Страница 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 970: ...970 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 ...
Страница 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Страница 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
Страница 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO ...
Страница 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
Страница 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO ...
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