Z86L78 Datasheet, PDF (22/59 Pages) Zilog, Inc. – IR/Low-Voltage Microcontroller

Z86L78
IR/Low-Voltage Microcontroller
Zilog
REGISTER POINTER
7654321 0
Working Register
Group Pointer
Expanded Register
Group Pointer
Z8 Register File**
FF
FO
7F
Reserved
Reserved
0F
00
EXPANDED REG. GROUP (0)
REGISTER**
* (0) 03
P3
* (0) 02
P2
(0) 01
P1
(0) 00
P0
RESET CONDITION
00 0 0UUUU
UUU UUU U U
UUU UUU UU
UUU UU UUU
Notes:
U = Unknown
* Will not be reset with a Stop-Mode Recovery.
** All addresses are in Hexadecimal.
† Will not be reset with a Stop-Mode Recovery, except Bit 0.
0' L78 is undefined.
Z8^® STANDARD CONTROL REGISTERS
RESET CONDITION
REGISTER**
D7 D6 D5 D4 D3 D2 D1 D0
FF
SPL
UUUUUUU U
FE
SPH
UU UUU U U U
FD
RP
00 00 00 0 0
FC
FLAGS
UU U U UU U U
FB
IMR
0 UU U UU U U
FA
IRQ
000 000 0 0
F9
IPR
UUU UUU U U
F8
P01M
0100 110 1
* ^F7
* ^F6
F5
P3M
P2M
Reserved
0 0 0 00 0 0 0
11 1 11 1 1 1
UUUUUU U U
F4
Reserved
UUU UUUU U
F3
Reserved
UU UU UU U U
F2
Reserved
UU U UUU U U
F1
Reserved
0 00 000 0 0
F0
Reserved
0UU0 0 0 0 0
EXPANDED REG. GROUP (F)
REGISTER**
* ^{(F) 0F}
(F) 0E
WDTMR
Reserved
(F) 0D
SMR2
(F) 0C
Reserved
† ^{(F) 0B}
SMR
(F) 0A
Reserved
(F) 09
Reserved
(F) 08
Reserved
(F) 07
Reserved
(F) 06
Reserved
(F) 05
Reserved
(F) 04
Reserved
(F) 03
Reserved
(F) 02
Reserved
(F) 01
* _{(F) 00}
Reserved
PCON
RESET CONDITION
UU U 0 1 1 0 1
U0 U0 0 0 UU
00100 0U0
UUU U U U U 0
EXPANDED REG. GROUP (D)
REGISTER**
(D) 0C
Reserved
(D) 0B
HI8
(D) 0A
L08
(D) 09
HI16
(D) 08
L016
(D) 07
TC16H
(D) 06
TC16L
(D) 05
TC8H
(D) 04
(D) 03
(D) 02
TC8L
Reserved
CTR2
(D) 01
(D) 00
CTR1
CTR0
RESET CONDITION
UU U UU U U U
UUUUUU UU
UUU UU U UU
UUUUU UUU
U UUUUUU U
UUUUU UUU
UUUUUUUU
U U U U U U UU
0 UUUUU U 0
0 0 UUUUU U
0 UUUUU U 0
Figure 16. Expanded Register File Architecture
2-22
DS97LVO0701