參數(shù)資料
型號： M37920FGCHP
廠商： Mitsubishi Electric Corporation
英文描述： Single Chip 16 Bits CMOS Microcomputer(16位單片機)
中文描述： 單片微機16位的CMOS（16位單片機）
文件頁數(shù)： 106/158頁
文件大小： 1261K
代理商： M37920FGCHP
M37920FCCGP, M37920FCCHP
M37920FGCGP, M37920FGCHP
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
MITSUBISHI MICROCOMPUTERS
106
Fig. 104 Microcomputer internal register
’
s status just after reset (1)
0 0
0 0
(04
16
)
···
Address
Port P0 direction register
00
16
(05
16
)
···
Port P1 direction register
(08
16
)
···
Port P2 direction register
(09
16
)
···
Port P3 direction register
(15
16
)
···
Port P9 direction register
00
16
(0C
16
)
···
Port P4 direction register
(0D
16
)
···
Port P5 direction register
00
16
(10
16
)
···
Port P6 direction register
(11
16
)
···
Port P7 direction register
(14
16
)
···
Port P8 direction register
(56
16
)
···
Timer A0 mode register
00
16
(57
16
)
···
Timer A1 mode register
00
16
(58
16
)
···
Timer A2 mode register
00
16
(59
16
)
···
Timer A3 mode register
00
16
(5A
16
)
···
Timer A4 mode register
00
16
(18
16
)
···
Port P10 direction register
00
16
(19
16
)
···
Port P11 direction register
00
16
Notes 1:
The contents of the other registers and RAM are undefined at reset and must be initialized by software.
2:
The status just after reset depends on the voltage level applied to pin MD0.
3:
At power-on reset, these bits are clear to
“
0
”
. At hardware or software reset, on the other hand, these bits retain the state just before reset.
0
0 0 0
0
(1E
16
)
···
A-D control register 0
0
0 0 0
0 0 1
(1F
16
)
···
A-D control register 1
1
0
0
0 0 0
(34
16
)
···
UART 0 Transmit/Receive control register 0
1
0
0
0 0 0
(3C
16
)
···
UART 1 Transmit/Receive control register 0
0
0 0 0
0
0 1 0
(35
16
)
···
UART 0 Transmit/Receive control register 1
0
0 0 0
0
0 1 0
(3D
16
)
···
UART 1 Transmit/Receive control register 1
0
0
0 0 0
(42
16
)
···
One-shot start register
0 0
(45
16
)
···
Timer A clock division select register
(1C
16
)
···
Port P12 direction register
(30
16
)
···
UART 0 Transmit/Receive mode register
00
16
(38
16
)
···
UART 1 Transmit/Receive mode register
00
16
0
0 0 0
0
0
0 0 0
(44
16
)
···
Up-down register
(40
16
)
···
Count start register
00
16
0
0
0
0 0 0
(5B
16
)
···
Timer B0 mode register
0
0
0
0 0 0
(5C
16
)
···
Timer B1 mode register
0
0
0
0 0 0
(5D
16
)
···
Timer B2 mode register
1
0 0 0
(Note 2)
0
(Note 2)
0
(5E
16
)
···
Processor mode register 0
(5F
16
)
···
Processor mode register 1
(60
16
)
···
Address
Watchdog timer
(Note 3)
0
1
0
0
0 0 0
0 0 0 0
0
FFF
16
(61
16
)
···
Watchdog timer frequency select register
(62
16
)
···
Particular function select register 0
(63
16
)
···
Particular function select register 1
(66
16
)
···
Debug control register 0
(67
16
)
···
Debug control register 1
INT
2
interrupt control register
Processor status register PS
00
16
00
16
Program bank register PG
Contents at address FFFF
16
Program counter PC
H
Contents at address FFFE
16
Program counter PC
L
0000
16
(6E
16
)
···
INT
3
interrupt control register
(6F
16
)
···
INT
4
interrupt control register
0 0 0 0
0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
(72
16
)
···
UART 0 receive interrupt control register
(73
16
)
···
UART 1 transmit interrupt control register
(74
16
)
···
UART 1 receive interrupt control register
(77
16
)
···
Timer A2 interrupt control register
(78
16
)
···
Timer A3 interrupt control register
(79
16
)
···
Timer A4 interrupt control register
(7A
16
)
···
Timer B0 interrupt control register
0
0 0
0 0 0
(7C
16
)
···
Timer B2 interrupt control register
0 0 0
(7E
16
)
···
INT
1
interrupt control register
(70
16
)
···
A-D conversion interrupt control register
(71
16
)
···
UART 0 transmit interrupt control register
(75
16
)
···
Timer A0 interrupt control register
(76
16
)
···
Timer A1 interrupt control register
0
0 0
0 0 0
(7D
16
)
···
INT
0
interrupt control register
(7B
16
)
···
Timer B1 interrupt control register
Direct page registers DPR0 to DPR3
(7F
16
)
···
0
0 0
1
0
0 0
0
0 0
Data bank register DT
00
16
0 0
0 0
(Note 2)
0
(Note 2)
1
0
0 0
(Note 3)
0 0 0 0
0
0
0 0 0
0
0 0 0
0 0 0
0 0 0 0
0
0 0 0
0 0 0
0
0 0 0
0 0 0
FFF
16
Stack pointer
0 0 0
(Note 3)
(Note 3)
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