M37221M6_03 Datasheet, PDF (48/62 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M37221M6-XXXSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
Address Contents of register
Port P0 direction register
(00C116)
0016
Port P1 direction register
(00C316)
0016
Port P2 direction register
(00C516)
0016
Port P3 direction register
(00C716)
000
Port P5
(00CA16)
VVVV
Port P5 direction register
(00CB16)
00 0 0
Port P3 output mode control register (00CD16)
0 00 0
DA-L register
(00CF16)
VVVVVV
PWM output control register 1
(00D516)
0016
PWM output control register 2
(00D616)
000
I²C address register
(00D816)
0016
I²C status register
(00D916) 0 0 0 1 0 0 0 V
I²C control register
(00DA16)
0016
I²C clock control register
(00DB16)
0016
Serial I/O mode register
(00DC16) 0 0 0 0 0 0 0
Horizontal register
(00E016)
000 000
Vertical position register 1
(00E116) V V V V V V V
Vertical position register 2
(00E216) V _{V V V V V V}
Character size register
(00E416)
VVV V
Border selection register
(00E516)
VV
Color register 0
Color register 1
Color register 2
Color register 3
CRT control register
CRT port control register
CRT clock selection register
A-D control register 1
A-D control register 2
Timer 1
Timer 2
Timer 3
Timer 4
Timer 12 mode register
Timer 34 mode register
Interrupt input polarity register
CPU mode register
Interrupt request register 1
Interrupt request register 2
Interrupt control register 1
Interrupt control register 2
Processor status register
Program counter
Note : The contents of all other registers and RAM are undefined at reset, so their initial values.
V : Undefined
: Unused bit
Address Contents of register
(00E616) 0 0 0 0 0 0 0
(00E716) 0 0 0 0 0 0 0
(00E816) _{0 0 0 0 0 0 0}
(00E916) 0 0 0 0 0 0 0
(00EA16) 0
000
(00EC16) 0 0 0 0 0 0 0 0
(00ED16)
00
(00EE16)
V 000
(00EF16)
000000
(00F016)
FF16
(00F116)
(00F216)
(00F316)
0716
FF16
0716
(00F416)
00000
(00F516)
000000
(00F916)
000
(00FB16)
1
(00FC16) 0 0 0 0 0 0 0 0
(00FD16)
0 000
(00FE16) 0 0 0 0 0 0 0 0
(00FF16)
0 0 00
(PS) ^{V V V V V 1 V V}
(PCH) ^{Contents of addressFFFF16}
(PCL) ^{Contents of addressFFFE16}
Fig. 51. Internal state of microcomputer at reset
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