79
M37905M4C-XXXFP, M37905M4C-XXXSP
M37905M6C-XXXFP, M37905M6C-XXXSP
M37905M8C-XXXFP, M37905M8C-XXXSP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 87 Microcomputer internal register’s status at reset (1)
0 0
00
0
(0516)
(0816)
0016
(0D16)
(1016)
(1116)
(5616)
0016
(5716)
0016
(5816)
0016
(5916)
0016
(5A16)
0016
0
000
0
(1E16)
0
0 0 0
0??
(1F16)
1
0
000
(3416)
1
0
000
(3C16)
0
000
0
010
(3516)
0
000
0
010
(3D16)
0
000
(4216)
00
(4516)
(3016)
0016
(3816)
0016
0
(4416)
(4016)
0016
0
0?
0
000
(5B16)
1
000
0
(5E16)
(5F16)
(6016)
0
1
00
0 0
0000
0
FFF16
(6116)
(6216)
(6316)
(6616)
(6716)
(6E16)
(6F16)
0000
?000
0000
(7216)
(7316)
(7416)
(7716)
(7816)
(7916)
(7A16)
00
(7C16)
(9816)
(7016)
(7116)
(7516)
(7616)
(9616)
(7B16)
(9916)
0016
00
0016
0
?? ?
0000
0
0000
0
00
0
(4316)
0
000
0
(4116)
0000
0
000
0
1
0
0016
0
0?
0
000
(5C16)
0
0?
0
000
(5D16)
0
(0C16)
0016
00
0
(1416)
000 0
0
00
0 0 0
000
(7E16)
0
00
0 0 0
(7D16)
(7F16)
0
00
Address
Port P1 direction register
Port P2 direction register
Port P4 direction register
Port P5 direction register
Port P6 direction register
Port P7 direction register
Port P8 direction register
Timer A0 mode register
Timer A1 mode register
Timer A2 mode register
Timer A3 mode register
Timer A4 mode register
Notes 1: The contents of the other registers and RAM are undefined at reset and must be initialized by software.
2: At power-on reset, these bits are clear to “0”. At hardware or software reset, on the other hand, these bits retain the value just before reset.
A-D control register 0
A-D control register 1
UART 0 transmit/receive control register 0
UART 1 transmit/receive control register 0
UART 0 transmit/receive control register 1
UART 1 transmit/receive control register 1
One-shot start register 0
Timer A clock frequency select register
UART 0 transmit/receive mode register
UART 1 transmit/receive mode register
Up-down register 0
Count start register 0
Timer B0 mode register
Processor mode register 0
Processor mode register 1
Address
Watchdog timer
Watchdog timer frequency select register
Particular function select register 0
Particular function select register 1
Debug control register 0
Debug control register 1
D-A register 1
INT3 interrupt control register
INT4 interrupt control register
UART 0 receive interrupt control register
UART 1 transmit interrupt control register
UART 1 receive interrupt control register
Timer A2 interrupt control register
Timer A3 interrupt control register
Timer A4 interrupt control register
Timer B0 interrupt control register
Timer B2 interrupt control register
D-A register 0
A-D conversion interrupt control register
UART 0 transmit interrupt control register
Timer A0 interrupt control register
Timer A1 interrupt control register
D-A control register
Timer B1 interrupt control register
INT0 interrupt control register
INT1 interrupt control register
INT2 interrupt control register
(Note 2)
One-shot start register 1
Count start register 1
Timer B1 mode register
Timer B2 mode register