Z87C33 Datasheet, PDF (22/72 Pages) Zilog, Inc. – CMOS Z8® MCU Consumer Controller Processor

Z87C33
CMOS Z8“ MCU Consumer Controller Processor
16
REGISTER POINTER
76543210
Working Register
Group Pointer
Expanded Register
File Pointer
Z8 Working Register File
FFh
F0h
70h
0Fh
00h
Notes
X - Indeterminate
* - Is not reset via Stop-Mode Recovery
** - Is not reset via Stop-Mode Recovery, except for bit D0
Expanded Register Bank 0h
RESET CONDITION
Working Register Group F 7 6 5 4 3 2 1 0
FF
SPL
00000000
FE
SPH
00000000
FD
RP
00000000
FC
FLAGS
XXXXXXXX
FB
IMR
0 XXXXXXX
FA
IRQ
00000000
F9
IPR
XXXXXXXX
F8
P01M
01001101
F7*
P3M
00000000
F6*
P2M
11111111
F5
PRE0
XXXXXXX0
F4
T0
XXXXXXXX
F3
PRE1
XXXXXX0 0
F2
T1
XXXXXXXX
F1
TMR
00000000
F0
Reserved
Expanded Register Bank (Fh)
Working Register Group 0
(F) 0F*
(F) 0E
(F) 0D^*
(F) 0C
(F) 0B**
(F) 0A
(F) 09
(F) 08
(F) 07
(F) 06
(F) 05
(F) 04
(F) 03
(F) 02
(F) 01
(F) 00*
WDTMR
Reserved
SMR2
Reserved
SMR
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
PCON
RESET CONDITION
XXX0 1 1 0 1
XXXXXX0 0
00100000
UUUUUUUU
Figure 9.Expanded Register File Architecture
PS015601-1003