upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 153

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

Cautions: 1. When switching from the external interrupt function (alternate function) to the
Remark:
INTF9H INTF915 INTF914 INTF913
Symbol
R/W
Figure 4-49: External Interrupt Falling Edge Specification Register 9H (INTF9H) Format
(i) External interrupt falling edge specification register 9H (INTF9H)
This is an 8-bit register used to specify detection of the falling edge for the external interrupt pin.
This register can be read and written in 8-bit or 1-bit units.
2. An on-chip circuit for eliminating noise through analog delay is provided for
For details on valid edge specification, refer to Table 4-7, “Valid Edge Specification,” on
page 154.
R/W
7
port function, edge detection may occur. Therefore, set the port mode after set-
ting INTF9n = INTR9n bit = 0.
external interrupt input.
R/W
6
R/W
5
User’s Manual U16702EE3V2UD00
Chapter 4 Port Functions
R/W
4
0
R/W
3
0
R/W
2
0
R/W
1
0
R/W
0
0
FFFFFC13H
Address
After reset
00H
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