Z8673312PSG Datasheet, PDF (80/84 Pages) Zilog, Inc. – CMOS Z8 OTP Microcontrollers

CMOS Z8^® OTP Microcontrollers
Product Specification
76
R253 RP
D7 D6 D5 D4 D3 D2 D1 D0
Expanded Register File
Working Register Pointer
Default After Reset = 00h
Figure 53. Register Pointer (FD_h: Read/Write)
R254 SPH
D7 D6 D5 D4 D3 D2 D1 D0
Default After Reset = 00h
(Z86E33/733/E34 )
0 = 0 State
1 = 1 State
(Z86E43/743/E44 )
Stack Pointer Upper
Byte (SP8-SP15)
Figure 54. Stack Pointer High (FE_h: Read/Write)
R254 SPL
D7 D6 D5 D4 D3 D2 D1 D0
Default After Reset = 00h
Stack Pointer Lower
Byte (SP0-SP7)
Figure 55. Stack Pointer Low (FF_h: Read/Write)
PS022901-0508
Electrical Characteristics