z08617 ZiLOG Semiconductor, z08617 Datasheet - Page 18

• Manufacturer Part Number: z08617
• Description: Nmos Z8 8-bit Mcu Keyboard Controller
• Manufacturer: ZiLOG Semiconductor

18
R253 RP
R252 Flags
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1
Figure 30. Register Pointer
Figure 29. Flag Register
(FCH: Read/Write)
(FDH: Read/Write)
D0
User Flag F1
User Flag F2
Half Carry Flag
Decimal Adjust Flag
Overflow Flag
Sign Flag
Zero Flag
Carry Flag
Reserved (Must be 0)
r4
r5
r6
r7
Register
Pointer
R254 GPR
R255 SPL
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Figure 31. General-Purpose Register
Figure 32. Stack Pointer
(FEH: Read/Write)
(FFH: Read/Write)
GPR
Stack Pointer Lower
Byte (SP0-SP7)
Z08617 NMOS Z8
K
EYBOARD
®
C
8-B
ONTROLLER
IT
MCU