參數(shù)資料
型號(hào)： M37920S4CGP
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, 20 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁(yè)數(shù)： 5/40頁(yè)
文件大?。?/td> 675K
代理商： M37920S4CGP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
M37920S4CGP
16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
12
Fig. 6 Microcomputer internal status just after reset (1)
00
(0416)
Address
Port P0 direction register
0016
(0516)
Port P1 direction register
(0816)
Port P2 direction register
(0916)
Port P3 direction register
(1516)
Port P9 direction register
0016
(0C16)
Port P4 direction register
(0D16)
Port P5 direction register
0016
(1016)
Port P6 direction register
(1116)
Port P7 direction register
(1416)
Port P8 direction register
(5616)
Timer A0 mode register
0016
(5716)
Timer A1 mode register
0016
(5816)
Timer A2 mode register
0016
(5916)
Timer A3 mode register
0016
(5A16)
Timer A4 mode register
0016
(1816)
Port P10 direction register
0016
(1916)
Port P11 direction register
0016
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
000
0
???
(1E16)
A-D control register 0
0
0 0 0
001
(1F16)
A-D control register 1
1
0
000
(3416)
UART 0 Transmit/Receive control register 0
1
0
000
(3C16)
UART 1 Transmit/Receive control register 0
0
000
0
010
(3516)
UART 0 Transmit/Receive control register 1
0
000
0
010
(3D16)
UART 1 Transmit/Receive control register 1
0
000
(4216)
One-shot start register
00
(4516)
Timer A clock division select register
(1C16)
Port P12 direction register
(3016)
UART 0 Transmit/Receive mode register
0016
(3816)
UART 1 Transmit/Receive mode register
0016
0
000
0
000
(4416)
Up-down register
(4016)
Count start register
0016
0
0?
0
000
(5B16)
Timer B0 mode register
0
0?
0
000
(5C16)
Timer B1 mode register
0
0?
0
000
(5D16)
Timer B2 mode register
1
000
(Note 2)
0 (Note 2) 0
(5E16)
Processor mode register 0
(5F16)
Processor mode register 1
(6016)
Address
Watchdog timer
(Note 3)
0
1
0
000
0000
0
FFF16
(6116)
Watchdog timer frequency select register
(6216)
Particular function select register 0
(6316)
Particular function select register 1
(6616)
Debug control register 0
(6716)
Debug control register 1
INT2 interrupt control register
Processor status register PS
0016
Program bank register PG
Contents at address FFFF16
Program counter PCH
Contents at address FFFE16
Program counter PCL
000016
(6E16)
INT3 interrupt control register
(6F16)
INT4 interrupt control register
0000
?000
0000
(7216)
UART 0 receive interrupt control register
(7316)
UART 1 transmit interrupt control register
(7416)
UART 1 receive interrupt control register
(7716)
Timer A2 interrupt control register
(7816)
Timer A3 interrupt control register
(7916)
Timer A4 interrupt control register
(7A16)
Timer B0 interrupt control register
0
0 0
000
(7C16)
Timer B2 interrupt control register
000
(7E16)
INT1 interrupt control register
(7016)
A-D conversion interrupt control register
(7116)
UART 0 transmit interrupt control register
(7516)
Timer A0 interrupt control register
(7616)
Timer A1 interrupt control register
0
0 0
000
(7D16)
INT0 interrupt control register
(7B16)
Timer B1 interrupt control register
Direct page registers DPR0 to DPR3
(7F16)
0
00
1??
0
00
??
0
00
Data bank register DT
0016
00
(Note 2)
0
00 0
(Note 3)
0000
0
000
0
0 0 0
000
0000
0
0 0 0
000
0
0 0 0
000
FFF16
Stack pointer
000
(Note 3)
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