954
Chapter 20
Port Functions
User’s Manual U16580EE3V1UD00
(b) Port mode register CS (PMCS)
The PMCS register is an 8-bit register that specifies the input or output mode of port pins PCS0,
PCS1, PCS3 and PCS4.
This register can be read or written in 8-bit units.
Reset input sets this register to FFH.
Figure 20-71:
Port Mode Register CS (PMCS)
(c) Port mode control register CS (PMCCS)
The PMCCSL register is an 8-bit register that specifies the port mode or control mode (alternate
function) of port pins PCS0, PCS1, PCS3 and PCS4.
This register can be read or written in 8-bit units.
Reset input sets this register to 00H in single-chip mode 0, and to 1BH in ROM-less mode and
single-chip mode 1.
Caution:
On
μ
PD70F3447 do not set PMCCSn bits to 1, since the corresponding alternate func-
tion is not available.
Figure 20-72:
Port Mode Control Register CS (PMCCS)
Notes: 1.
In single-chip mode 0:
00H
In single-chip mode 1 and ROM-less mode: 1BH
2.
On the
μ
PD70F31187, in single-chip mode 1 or in ROM-less mode, this register can not be
written.
Reading is possible and returns 1BH.
3.
Alternate function not available on
μ
PD70F3447.
Remark:
n = 0, 1, 3, 4
After reset:
FFH
R/W
Address:
FFFFF028H
7
6
5
4
3
2
1
0
PMCS
1
1
1
PMCS4
PMCS3
1
PMCS1
PMCS0
PMCSn
Input/Output Mode Control of Pin PCSn (in Port Mode)
0
Output mode
1
Input mode
After reset
Note 1
:
00H/3FH
R/W
Note 2
Address:
FFFFF048H
7
6
5
4
3
2
1
0
PMCCS
0
0
0
PMCCS4 PMCCS3
0
PMCCS1 PMCCS0
PMCCSn
Port/Control Mode Specification of Pin PCSn
0
I/O port mode
1
Chip select signal output mode (CSn)
Note 3
Содержание MuPD70F3187
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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 ...
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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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