z86d73 ZiLOG Semiconductor, z86d73 Datasheet - Page 87

• Manufacturer Part Number: z86d73
• Description: 40/44/48-pin Low-voltage
• Manufacturer: ZiLOG Semiconductor

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