MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
<
State immediately after reset >
<
Bit allocation
:
>
: “0” immediately after reset
: “1” immediately after reset
0
1
?
Function bit
:
:
Name
No function bit
: Indeterminate immediately
after reset
: Fix to this bit to “0”
(do not write to “1”)
0
1
: Fix to this bit to “1”
(do not write to “0”)
Register
Bit allocation
State immediately after reset
b0
b0
b7
b7
Processor status register (PS)
N
V
T
B
D
I
Z
C
?
?
?
?
?
1
?
?
Program counter (PC
H)
Contents of address FFFF16
Contents of address FFFE16
Program counter (PC
L
)
Fig. 9. Internal State of Processor Status Register and Program Counter at Reset
16