Z86E3016PSG Datasheet, PDF (69/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 CPU
User Manual
51
Table 13. Expanded Register File Bank 0 Reset Values at RESET
Register
(Hex) Register Name
00
Port 0
01
Port 1
02
Port 2
03
Port 3
04–EF
General-Purpose
Registers 04h–
EFh
Bits
7 6 5 4 3 2 1 0 Comments
U U U U U U U U Input mode, output set to
push–pull.
U U U U U U U U Input mode, output set to
push–pull.
U U U U U U U U Input mode, output set to
open drain.
1 1 1 1 U U U U Standard digital input and
output
Z86L7X Family Device
Port P34-P37 = 0
(Except Z86L70/71/75)
All other Z8 = 1.
U U U U U U U U Undefined.
Table 14. Sample Expanded Register File Bank C Reset Values
Register
(Hex) Register Name
00
SPI Compare
(SCOMP)
01
Receive Buffer
(RxBUF)
02
SPI Control
(SCON)
Bits
7 6 5 4 3 2 1 0 Comments
00000000
UUUUUUUU
UUUU0 0 0 0
UM001602-0904
Reset