MC68HC711PH8 Motorola, MC68HC711PH8 Datasheet - Page 88

• Manufacturer Part Number: MC68HC711PH8
• Description: High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit
• Manufacturer: Motorola

4
4.8.3
4.8.3.1
IEHx — Port H pin x wired-OR interrupt enable
With the wired-OR interrupt function enabled, any port H pin configured as an input may be used
as a keyboard interrupt. A high to low transition on an enabled pin (with all other enabled pins high)
will result in an interrupt. The wired-OR interrupt flag (bit 4 of the port pull-up assignment register)
indicates that an interrupt has occurred (see Section 4.9.1). A wired-OR interrupt can wake the
MCU from STOP or WAIT mode.
MOTOROLA
4-10
Wired-OR interrupt enable (WOIEH)
1 (set)
0 (clear) –
Wired-OR interrupt
WOIEH — WOI enable (WOIEH)
–
PHx wired-OR interrupt enabled.
PHx wired-OR interrupt disabled.
Address
$007B
PARALLEL INPUT/OUTPUT
IEH7
bit 7
IEH6
bit 6
IEH5
bit 5
IEH4
bit 4
IEH3
bit 3
IEH2
bit 2
IEH1
bit 1
MC68HC11PH8
IEH0 0000 0000
bit 0
on reset
State
TPG