upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 48
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
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Chapter 2
48
Initial Value
Initial Value
Table 2-12
Table 2-13
Address
Address
Access
Access
2.2.4 Configuration of electrical characteristics
(1)
(2)
The registers for the configuration of electrical characteristics are briefly
described in the following. For details refer to the Electrical Target
Specification.
PDSCn - Port drive strength control register
The 8-bit PDSCn register selects the output current limiting function for high- or
low-drive strength.
This register can be read/written, in 8-bit and 1-bit units.
see “Port Group Configuration“ on page 56
00
PDSCn register contents
For the detailed specification of "Limit 1" and "Limit 2" refer to the Electrical
Target Specification.
PICCn - Port input characteristic control register
The 8-bit PICCn register selects between Schmitt Trigger or non-Schmitt
Trigger input characteristics.
This register can be read/written in 8-bit and 1-bit units.
see “Port Group Configuration“ on page 56
FF
PICCn register contents
Preliminary User’s Manual U17566EE1V2UM00
PDSCn7 PDSCn6 PDSCn5 PDSCn4 PDSCn3 PDSCn2 PDSCn1 PDSCn0
PICCn7 PICCn6 PICCn5 PICCn4 PICCn3 PICCn2 PICCn1 PICCn0
Bit position
Bit position
R/W
R/W
H
H
7
7
. This register is cleared by any reset.
. This register is cleared by any reset.
7 to 0
7 to 0
R/W
R/W
6
6
Bit name
Bit name
PDSCn[7:0]
PICCn[7:0]
R/W
R/W
5
5
R/W
R/W
Specifies output current limiting function:
Specifies Trigger input characteristics:
4
4
0: Limit 1.
1: Limit 2.
0: non-Schmitt Trigger
1: Schmitt Trigger
R/W
R/W
3
3
R/W
R/W
2
2
Function
Function
R/W
R/W
1
1
R/W
R/W
Pin Functions
0
0
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