MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
76
Fig. 88. Internal state of microcomputer at reset
0016
0016
0016
0016
(00C116)
(00C3
16)
(00C5
16)
(00C7
16)
(00C9
16)
(00CB
16)
(00CE
16)
(00CF
16)
(00E0
16)
(00E1
16)
(00E2
16)
(00E3
16)
(00E4
16)
(00E5
16)
(00E6
16)
(00E7
16)
(00E8
16)
(00E9
16)
(00EA
16)
(00EB
16)
✽
0016
FF16
0716
0016
(00EC16)
(00ED
16)
(00EF
16)
(00F0
16)
(00F1
16)
(00F2
16)
(00F3
16)
(00F4
16)
(00F5
16)
0016
0016
0016
0016
0001
0016
0016
FF16
0716
(020816)
0016
0016
(020A16)
(020B16)
(020C
16)
(020D
16)
(020F
16)
(021016)
(0212
16)
(0213
16)
(0216
16)
(0217
16)
(021816)
(0219
16)
(021B
16)
(PS)
(PCH)
(PC
L)
1
FF16
0016
0716
0016
0000000
(00F7
16)
(00F8
16)
0016
0010000
(00F9
16)
(00FA
16)
0016
(00FB16)
11100001
0016
(00FC16)
(00FD
16)
(00FE
16)
(00FF
16)
0016
0016
0016
0016
0016
0016
0016
000
000
✽
0016
0016
0010
✽
0016
0
0016
0016
0000
000
0
0000000
0000000
0000000
0
000000
00000
00000
✽
Address
Address
Contents of register
Contents of register
Port P0 direction register
Port P1 direction register
Port P2 direction register
Port P3 direction register
Port P4 direction register
OSD port control register
OSD control register
Horizontal register
Caption position register
Start bit position register
Window register
Sync slice register
Data register 1
Data register 2
Clock run-in register 1
Clock run-in register 2
Clock run-in detect register 1
Clock run-in detect register 2
Data slicer control register 1
Data slicer control register 2
I C address register
I C status register
I C control register
I C clock control register
CPU mode register
Interrupt request register 1
Interrupt request register 2
Interrupt control register 1
Interrupt control register 2
Clock run-in detect register 3
PWM mode register 1
PWM mode register 2
Timer 5
Timer 6
Sync pulse counter register
Data slicer control register 3
Interrupt interval determination control register
Serial I/O mode register
Clock source control register
2
2
2
2
Data register 3
Data register 4
A-D control register
Timer 1
Timer 2
Timer 3
Timer 4
Timer mode register 1
Timer mode register 2
I/O polarity control register
Raster color register
Extra font color register
Border color register
Processor status register
Program counter
Contents of address FFFF16
Contents of address FFFE16
Note : The contents of all other registers and RAM are undefined at reset, so set their initial values.
Undefined
Unused bit
1
0
✽✽
✽✽✽✽
✽✽✽
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