upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 111

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

4.3.2 Port function swap control register
This device has a special purpose register for swapping port function by setting control bit. The Swap
function is implemented to allow flexible configuration.
More detail of the settings by control bit is shown in Table 4-2, “Control Register Setting,” on page 107.
This is an 8-bit register used to specify the input mode/output mode.
This register can be read and written in 8-bit or 1-bit units.
PSWAP
Symbol
R/W
PSWAP1
7
0
0
0
1
1
Figure 4-2: Port Function Swap Control Register Format
6
0
PSWAP0
0
1
0
1
5
0
User’s Manual U16702EE3V2UD00
See Table 4-2, “Control Register Setting,” on page 107
Chapter 4 Port Functions
4
0
3
0
2
0
Function
PSWAP1 PSWAP0 FFFFF87AH
1
0
Address
After reset
00H
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