Z86D73 Datasheet, PDF (87/92 Pages) Zilog, Inc. – 40/44/48-Pin Low-Voltage IR OTP

Z86D73
40/44/48-Pin Low-Voltage IR OTP
81
R254 SPH
D7 D6 D5 D4 D3 D2 D1 D0
General-Purpose Register or Stack
Pointer High (SP15–SP8) if external
memory is used
Figure 56. Stack Pointer High (FEh: Read/Write)
R255 SPL
D7 D6 D5 D4 D3 D2 D1 D0
Stack Pointer Low
Byte (SP7–SP0)
Figure 57. Stack Pointer Low (FFh: Read/Write)
PS019402-1103
PRELIMINARY