Interrupt Request Control Register (Irrcnt) 0Xf51C - Toshiba TX49 TMPR4937 Manual

15.4.19 Interrupt Request Control Register (IRRCNT)
31
15
Bit Mnemonic Field Name
⎯
31:3
2 ODC External Interrupt
OD Control
1 EXTPOL External Interrupt
Request Polarity
Control
0 INTPOL Internal Interrupt
Request Polarity
Control
Reserved
Reserved
⎯
Reserved
External Interrupt Open Drain Control (Default: 0)
This bit specifies whether to make the external interrupt signal (IRC[2]*)
an open drain pin or not.
0: Open drain (reset)
1: Totem pole
External Interrupt Polarity Control (Default: 1)
This bit specifies the polarity of external interrupt requests.
0: Do not reverse polarity of interrupt requests.
1: Reverse polarity of interrupt requests
Internal Interrupt Polarity Control (Default: 1)
This bit specifies the polarity of internal interrupt requests.
0: Do not reverse polarity of interrupt requests.
1: Reverse polarity of interrupt requests
Figure 15.4.19 Interrupt Request Control Register
15-42
Chapter 15 Interrupt Controller
0xF51C
3
ODC
R/W
Explanation
16
: Type
: Default
2 1 0
INTPOL
EXTPOL
R/W R/W : Type
0 1 1 : Default
Read/Write
⎯
R/W
R/W
R/W