Z89175 Zilog., Z89175 Datasheet - Page 34

• Manufacturer Part Number: Z89175
• Description: Voice Processing Controllers
• Manufacturer: Zilog.

Z8
Z89175/Z89176
Voice Processing Controllers
34
®
Working Register
Group Pointer
FUNCTIONAL DESCRIPTION (Continued)
FOH
7FH
0FH
FFH
00H
†
U = Unknown
*
Notes:
= For ROMless mode, RESET Condition 10110110
Will not be Reset with a Stop-Mode Recovery
7
REGISTER POINTER
6
5
Z8 Reg. File
4
3
2
1
Expanded Register
0
0
Bank Pointer
Figure 21. Expanded Register File Architecture
1
2
3
4
5
6
7
8
9
A
B
C
D
E
P R E L I M I N A R Y
F
†
*
*
*
*
*
*
*
*
Z8 STANDARD REGISTER BANK (0)
REGISTER GROUP 0 (0)
Z8 EXPANDED REGISTER BANK (F)
Z8 EXPANDED REGISTER BANK (B)
Z8 STANDARD CONTROL REGISTERS
REGISTER BANK (0)
REGISTER GROUP 15(F)
REGISTER GROUP 0
F7H
F8H
FFH
FEH
FDH
FCH
FBH
FAH
F9H
F6H
F5H
% F4
F3H
F2H
F1H
F0H
(F) 0FH
(F) 0EH
(F) 0DH
(F) 0CH
(F) 0BH
(F) 0AH
(F) 09H
(F) 08H
(F) 07H
(F) 06H
(F) 05H
(F) 04H
(F) 03H
(F) 02H
(F) 01H
(F) 00H
Z8-DSP
(0) 03H
(0) 02H
(0) 01H
(0) 00H
Mailbox Interface
SPL
SPH
RP
FLAGS
IMR
IRQ
IPR
P01M
P3M
P2M
PRE0
T0
PRE1
T1
TMR
WDTMR
HSEC
Reserved
DSP CON
SMR
Reserved
Reserved
Reserved
Reserved
P45CON
P5M
P5
P4M
P4
Reserved
PCON
Reserved
P3
P2
P1
P0
(R0...R15)
RESET CONDITION
RESET CONDITION
D7 D6 D5 D4 D3 D2 D1 D0
RESET CONDITION
U
U
0
U
0
0
U
0
0
1
U
U
U
U
0
U
U
U
U
0
U
1
1
1
1
U
U
U
U
U
U
U
U
U
U
0
U
U
0
U
1
0
1
U
U
U
U
0
0
1
1
1
1
U
U
U
U
U
U
U
U
0
U
U
0
U
0
0
1
U
U
U
U
0
U
1
1
U
1
1
1
U
U
U
DS97TAD0100
U
U
U
U
0
U
U
0
U
0
0
1
U
U
U
U
0
0
1
0
0
1
1
1
1
U
U
U
U
U
U
U
1
0
1
1
1
U
U
0
U
U
0
U
1
0
1
U
U
U
U
0
U
U
U
U
1
U
0
U
1
U
1
U
1
U
U
0
U
U
0
U
1
0
1
U
U
U
U
0
U
U
U
U
U
0
U
0
U
1
1
U
1
U
U
0
U
U
0
U
0
0
1
U
U
0
U
0
U
U
U
U
Zilog
U
U
0
U
U
U
0
U
U
0
U
1
0
1
0
U
0
U
0
1
0
1
1
0
U
U
U
U