MC68HC901P MOTOROLA [Motorola, Inc], MC68HC901P Datasheet - Page 32

• Manufacturer Part Number: MC68HC901P
• Description: Multi-Function Peripheral
• Manufacturer: MOTOROLA [Motorola, Inc]

Interrupt Structure
Timer B — Timer B Interrupt Mask
GPIP5-GPIP4 — General Purpose Interrupt Mask
Timer C — Timer C Interrupt Mask
Timer D — Timer D Interrupt Mask
GPIP3-GPIP0 — General Purpose Interrupt Mask
4-9
IMRB REGISTER
RESET
FIELD
ADDR
BIT
1 = Unmask.
0 = Mask.
1 = Unmask.
0 = Mask.
1 = Unmask.
0 = Mask.
1 = Unmask.
0 = Mask.
1 = Unmask.
0 = Mask.
17
GPIP5
REGISTER
EDGE
7
0
Figure 4-2. Conceptual Circuits of an Interrupt Channel
GPIP4
6
0
REGISTER
FIGURE - CONCEPTUAL CIRCUITS OF AN INTERRUPT CHANNEL
ENABLE
TIMER C
MC68HC901 USER’S MANUAL
5
0
S
INTERRUPT
MC68HC901UM / AD
PENDING
TIMER D
R
4
0
MASK REGISTER
Q
$15
GPIP3
3
0
INTERRUPT
REQUEST
GPIP2
S-BIT
2
0
S
GPIP1
PASS VECTOR
1
0
INTERRUPT
IN-SERVICE
MOTOROLA
GPIP0
0
0