NEC V850E/RS1 User Manual page 168

(c) Port mode control register (PMCDL)
This is a 16-bit register used to specify the port mode/control mode.
This register can be read and written only in 16-bit units.
However, when using the higher 8 bits of the PMCDL register as the PMCDLH register and the
lower 8 bits as the PMCDLL register, PMCDL can be read and written in 8-bit and 1-bit units.
Remark:
Symbol
PMCDLH
R/W
Symbol
PMCDLL PMCDL7 PMCDL6 PMCDL5 PMCDL4 PMCDL3 PMCDL2 PMCDL1 PMCDL0 FFFFF044H
R/W
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Chapter 4 Port Functions
External bus functions are only valid for the µPD70F3403 and µPD70F3403A
Figure 4-68: Port Mode Control Register DL (PMCDL) Format
15 14 13
0 0 PMCDL13 PMCDL12 PMCDL11 PMCDL10 PMCDL9 PMCDL8 FFFFF045H
R/W R/W R/W R/W
7 6 5
R/W R/W R/W R/W
PMCDLn PDLn pin operation mode specification (n = 0 to 13)
0 I/O port
1 ADn I/O (address/data bus I/O)
User's Manual U16702EE3V2UD00
12 11 10
R/W R/W R/W
4 3 2
R/W R/W R/W
9 8 Address After reset
R/W
1 0 Address After reset
R/W
0000H
0000H