Fujitsu mb91192 Manuale Utente
219
13.2
External Interrupt 1 (Key Input Circuit)
The external interrupt 1 (key input circuit) has 8 inputs.
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Block Diagram of External Interrupt 1 (Key Input Circuit)
Figure 13.2-1 Block Diagram of Key input circuit
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Register List of External Interrupt 1 (Key Input Circuit)
Figure 13.2-2 Register list of External interrupt 1 (Key input circuit)
KEY7
KEY6
KIS7
KIS6
KIS5
KIS4
KIS3
KIS2
KIS1
KIS0
KIE7
KIE6
KIE5
KIE4
KIE3
KIE2
KIE1
KIE0
KEY5
KEY0
KEY1
KEY2
KEY3
KEY4
IRQ23
SR
R
Read-STB
KEYS
KEYC
Internal Bus
7
0
bit
KEYC
KEYS
Key Input Control Register
Key Input Status Register
000096
H
Address:
000097
H