Z86L81 Datasheet, PDF (84/88 Pages) Maxim Integrated Products – 28-Pin Low-Voltage Infrared Microcontrollers

Z86L81/86/98
28-Pin Low-Voltage Infrared Microcontrollers
78
R254 SPH
D7 D6 D5 D4 D3 D2 D1 D0
General-Purpose Register
Byte (SP15–SP8)
Figure 51. Stack Pointer High (FEh: Read/Write)
R255 SPL
D7 D6 D5 D4 D3 D2 D1 D0
Stack Pointer Lower
Byte (SP7–SP0)
Figure 52. Stack Pointer Low (FFh: Read/Write)
19-4615; Rev 0; 4/09