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Z86K14 Datasheet(PDF) 20 Page - Zilog, Inc.

Part # Z86K14
Description  CMOS Z8 8-Bit MCU Keyboard Controllers
PDF  24 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z86K14 Datasheet(HTML) 20 Page - Zilog, Inc.

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Z86K13/K14/K15/K16/K17/K18
CMOS Z8® 8-Bit MCU Keyboard Controllers
Zilog
20
P R E L I M I N A R Y
DS97KEY0204
Figure 27. Interrupt Request Register
(FA
H: Read/Write)
Figure 28. Interrupt Mask Register
(FB
H: Read/Write)
D7
D6
D5
D4
D3
D2
D1
D0
R250 IRQ
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = P30 Input
IRQ4 = TO
Stop Delay
0 OFF *
1 ON
Stop Flag
0 POR/WDT*
1 Stop Recovery
* On RESET
WDT Hot Bit (Read Only)
0 POR*
1 WDT Timeout
D7
D6 D5
D4
D3
D2
D1
D0
Reserved (Must be 0)
1 Enables IRQ0-IRQ4
(D0= IRQ0)
1 Enables Interrupts
R251 IMR
Figure 29. Flag Register
(FC
H: Read/Write)
Register Pointer
Figure 30. (FD
H: Read/Write)
Stack Pointer
Figure 31. (FF
H: Read/Write)
D7
D6
D5
D4
D3
D2
D1
D0
User Flag F1
User Flag F2
Half Carry Flag
Decimal Adjust Flag
Overflow Flag
Sign Flag
Zero Flag
Carry Flag
R252 Flags
D7
D6
D5
D4
D3
D2
D1
D0
Working Registers
r4
R253 RP
r5
r6
r7
Register
Pointer
D7
D6
D5
D4
D3
D2
D1
D0
Stack Pointer Lower
Byte (SP0-SP7)
R255 SPL



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