m37280eksp Mitsumi Electronics, Corp., m37280eksp Datasheet - Page 20

• Manufacturer Part Number: m37280eksp
• Description: Single-chip 8-bit Cmos Microcomputer With Closed Caption Decoder And On-screen Display Controller
• Manufacturer: Mitsumi Electronics, Corp.

Fig. 12.2.8 Internal State of Processor Status Register and Program Counter at Reset
20
Processor status register (PS)
Program counter (PC
Program counter (PC
Register
H
L
)
)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
Name
b7
1
0
N
Bit allocation
:
:
:
: Fix to this bit to “0”
: Fix to this bit to “1”
No function bit
(do not write to “1”)
(do not write to “0”)
V
Function bit
T
M37280MF–XXXSP, M37280MK–XXXSP
Bit allocation
B
D
x x
x x
I
Z
x x
x x
C
b0
b7
?
0
1
?
State immediately after
Contents of address FFFF
Contents of address FFFE
State immediately after reset
and ON-SCREEN DISPLAY CONTROLLER
: “1” immediately after reset
: “0” immediately after reset
: Indeterminate immediately
?
after reset
MITSUBISHI MICROCOMPUTERS
?
?
?
x x
x x
M37280EKSP
1
x x
x x
reset
?
16
16
?
b0
Rev. 1.0