sc9s12hy64j0vllr Freescale Semiconductor, Inc, sc9s12hy64j0vllr Datasheet - Page 78

• Manufacturer Part Number: sc9s12hy64j0vllr
• Description: S12 Microcontrollers Mcu 16-bit Hcs12 Cisc 32kb Flash 5v Tray
• Manufacturer: Freescale Semiconductor, Inc

1
1
Port Integration Module (S12HYPIMV1)
2.3.12
2.3.13
This register is reserved for factory testing of the PIM module and is not available in normal operation.
78
Address 0x001E
XIRQEN
Read: Always reads 0x00
Write: Unimplemented
Read: See individual bit descriptions below.
Write: See individual bit descriptions below.
IRQEN
IRQE
Field
Reset
7
6
5
W
R
IRQ select edge sensitive only—
Special mode: Read or write anytime.
Normal mode: Read anytime, write once.
1 IRQ pin configured to respond only to falling edges. Falling edges on the IRQ pin will be detected anytime IRQE=1
0 IRQ pin configured for low level recognition
IRQ enable—
Read or write anytime.
1 IRQ pin is connected to interrupt logic
0 IRQ pin is disconnected from interrupt logic
XIRQ enable—
Special mode: Read or write anytime.
Normal mode: Read anytime, write once.
1 XIRQ pin is connected to interrupt logic
0 XIRQ pin is disconnected from interrupt logic
IRQE
IRQ Control Register (IRQCR)
PIM Reserved Register
and will be cleared only upon a reset or the servicing of the IRQ interrupt.
0
7
= Unimplemented or Reserved
IRQEN
0
6
Table 2-11. IRQCR Register Field Descriptions
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Figure 2-10. IRQ Control Register (IRQCR)
XIRQEN
0
5
0
0
4
Description
3
0
0
0
0
2
Freescale Semiconductor
Access: User read/write
0
0
1
0
0
0
1