MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Address Contents of register
Address Contents of register
I2C address register
I2C status register
(00C116)
0016
Port P0 direction register
Port P1 direction register
Port P2 direction register
Port P3 direction register
Port P4 direction register
(00F716)
(00F816)
(00F916)
(00FA16)
(00FB16)
(00FC16)
(00FD16)
(00FE16)
(00FF16)
(020816)
(020A16)
(020B16)
(020C16)
0016
0 0 0 1 0 0 0
0016
(00C316)
0016
✽
I2C control register
I2C clock control register
CPU mode register
(00C516)
0016
(00C716)
0 0
0 0
0
0016
(00C916)
(00CB16)
(00CE16)
0 0
0 0 1 1 1 1 0 0
0 0 0 0 0 0 0
0016
OSD port control register
OSD control register
0016
0016
0016
0016
0016
0016
0016
Interrupt request register 1
Interrupt request register 2
Interrupt control register 1
Interrupt control register 2
Clock run-in detect register 3
Horizontal register
(00CF16)
(00E016)
(00E116)
(00E216)
(00E316)
(00E416)
(00E516)
(00E616)
(00E716)
(00E816)
(00E916)
(00EA16)
(00EB16)
(00EC16)
(00ED16)
(00EF16)
(00F016)
(00F116)
(00F216)
(00F316)
(00F416)
0 0 0 0 0 0 0
0016
Caption position register
Start bit position register
0 0 0 0 0 0 0
Window register
Sync slice register
Data register 1
PWM mode register 1
PWM mode register 2
Timer 5
0
0
0016
0716
FF16
0016
0016
Data register 2
Timer 6
(020D16)
(020F16)
Clock run-in register 1
Sync pulse counter register
Data slicer control register 3
Interrupt interval determination control register
Serial I/O mode register
Clock source control register
0 0 0 0 0 0
0016
0016
(021016)
(021216)
(021316)
(021616)
(021716) ✽
(021816)
(021916)
(021B16)
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
Data register 3
0016
0016
0016
0016
0016
0 0 0 0 1 0 0 1
0016
✽
✽
✽
0 0
I/O polarity control register
Raster color register
0
0 0
0016
0016
0 1
0 0 0 0 0 0 0
0016
Data register 4
Extra font color register
Border color register
0 0 0 0 0
0 0 0 0 0
0
0
A-D control register
FF16
0716
FF16
0716
0016
0016
Timer 1
Processor status register
Program counter
✽ ✽ ✽ ✽
1
✽ ✽
✽
(PS)
(PCH)
(PCL)
Timer 2
Contents of address FFFF16
Contents of address FFFE16
Timer 3
Timer 4
Timer mode register 1
Timer mode register 2
(00F516)
Note : The contents of all other registers and RAM are undefined at reset, so set their initial values.
✽
Undefined
Unused bit
Fig. 88. Internal state of microcomputer at reset
76
MITSUBISHI [ Mitsubishi Group ]
