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Z89136 Datasheet(PDF) 32 Page - Zilog, Inc.

Part # Z89136
Description  Low-Cost DTAD Controller
PDF  66 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z89136 Datasheet(HTML) 32 Page - Zilog, Inc.

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Z89135/136 (ROMless)
Low-Cost DTAD Controller
Zilog
1-32
P R E L I M I N A R Y
DS97TAD0300
FUNCTIONAL DESCRIPTION (Continued)
Figure 20. Expanded Register File Architecture
7
654321
0
Working Register
Group Pointer
Expanded Register
Bank Pointer
FFH
FOH
7FH
0FH
00H
Z8 Reg. File
REGISTER POINTER
FFH
FEH
FDH
FCH
FBH
FAH
F9H
F8H
F7H
F6H
F5H
% F4
F3H
F2H
F1H
F0H
SPL
SPH
RP
FLAGS
IMR
IRQ
IPR
P01M
P3M
P2M
PRE0
T0
PRE1
T1
TMR
U
U
0
U
0
0
U
0
0
1
U
U
U
U
0
(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
WDTMR
SMR
U
U
0
U
U
0
U
1
0
1
U
U
U
U
0
U
U
0
U
U
0
U
0
0
1
U
U
U
U
0
U
U
0
U
U
0
U
0
0
1
U
U
U
U
0
U
U
0
U
U
0
U
1
0
1
U
U
U
U
0
U
U
0
U
U
0
U
1
0
1
U
U
U
U
0
U
U
0
U
U
0
U
0
0
1
U
U
0
U
0
U
U
0
U
U
0
U
1
0
1
0
U
0
U
0
UU
U0
1
1
0
1
00
10
0
0
0
0
REGISTER GROUP 0 (0)
Z8 EXPANDED REGISTER BANK (F)
RESET CONDITION
Z8 STANDARD REGISTER BANK (0)
REGISTER GROUP 15(F)
Z8 STANDARD CONTROL REGISTERS
RESET CONDITION
U = Unknown
D7 D6 D5 D4 D3 D2 D1 D0
Will not be Reset with a Stop-Mode Recovery
*
*
*
*
*
Reserved
Reserved
Reserved
DSP CON
Reserved
Reserved
Reserved
Reserved
P45CON
P5M
P5
P4M
P4
Reserved
PCON
REGISTER BANK (0)
U
U
U1U
UUU
U
U
U
0
UUU0
11
11
1
1
1
1
U
U
U
UUUU
U
11
11
1
1
1
1
U
U
UU
U
UUU
11
11
1
1
1
0
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Z8 EXPANDED REGISTER BANK (B)
Z8-DSP
Mailbox Interface
†
† = For ROMless mode, RESET Condition 10110110
1
111U
U
U
U
U
UUUU
UUU
U
UUUU
UUU
U
UUUU
UUU
REGISTER GROUP 0
RESET CONDITION
(0) 03H
P3
(0) 02H
P2
(0) 01H
P1
(0) 00H
P0
*
*
*
*
(R0...R15)



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