參數(shù)資料
型號(hào)： M37902FGCGP
廠(chǎng)商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述： 單片16位CMOS微機(jī)
文件頁(yè)數(shù)： 36/143頁(yè)
文件大?。?/td> 1463K
代理商： M37902FGCGP
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M37902FCCHP, M37902FGCHP, M37902FJCHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
36
Fig. 25 Bit configuration of processor mode register 1
Notes 1:
This bit is valid to the external area except for chip select areas (area CS
i
), and the bus cycle of area CS
i
is independent
of this bit
’
s contents.
The bus cycle of area CS
i
is selected by the corresponding area CS
i
bus cycle select bits 0, 1 (bits 0, 1 at addresses 80
16
,
82
16
, 84
16
, 86
16
; bit 3 at addresses 81
16
, 83
16
, 85
16
, 87
16
).
2:
After reset, this bit
’
s contents can be switched only once. During the software execution, be sure not to switch this bit
’
s contents.
3:
In the single-chip mode, these bits
’
functions are disabled regardless of these bits
’
contents.
4:
While V
SS
level voltage is applied to pin MD0, each of these bits is
“
0
”
at reset. While V
CC
level voltage is applied
to pin MD0, on the other hand, each of these bits is
“
1
”
at reset.
5:
In the memory expansion or microprocessor mode, if this bit
’
s contents is switched from
“
1
”
to
“
0
”
, this bit will be cleared to
“
0
”
.
After this clearance, this bit cannot return to
“
1
”
. If it is necessary to set this bit to
“
1
”
, be sure to reset the microcomputer.
6:
The program which switches this bit
’
s contents must be assigned to the internal area.
7:
In the microprocessor mode, this bit is invalid.
When the internal flash memory is reprogrammed in the CPU reprogramming mode, be sure to clear this bit to
“
0
”
.
7
6
5
4
3
2
1
0
Processor mode register 1
External bus cycle select bit 1
(Note 1)
See Figure 18.
RDY input select bit
(Notes 3 to 5)
0 : RDY input is disabled. (P3
0
functions as a programmable I/O port pin.)
1 : RDY input is enabled. (P3
0
functions as pin RDY.)
ALE output select bit
(Notes 3 and 4)
0 : ALE output is disabled. (P4
0
functions as a programmable I/O port pin.)
1 : ALE output is enabled. (P4
0
functions as pin ALE.)
Direct page register switch bit
(Note 2)
0 : Only DPR0 is used.
1 : DPR0 to DPR3 are used.
Recovery cycle insert select bit
(Notes 3 and 4)
0 : No recovery cycle is inserted at access to the external area.
1 : Recovery cycle is inserted at access to the external area.
Address
5F
16
HOLD input, HLDA output select bit
(Notes 3 to 5)
0 : HOLD input and HLDA output are disabled.
(P4
3
and P4
2
function as programmable I/O port pins.)
1 : HOLD input and HLDA output are enabled.
(P4
3
and P4
2
function as pins HOLD and HLDA, respectively.)
Recovery-cycle-insert number select bit
(Note 6)
0 : 1 cycle
1 : 2 cycles
Internal ROM bus cycle select bit
(Note 7)
0 : 3
φ
1 : 2
φ
相關(guān)PDF資料
PDF描述
M37902FCCHP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M37902FGCHP DIODE SCHOTTKY DUAL COMMON-ANODE 25V 150mW 0.32V-vf 200mA-IFM 1mA-IF 2uA-IR SOT-523 3K/REEL
M37902FJCHP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M37905F8CFP 16-BIT CMOS MICROCOMPUTER
M37905F8CSP 16-BIT CMOS MICROCOMPUTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37902FGCHP 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M37902FJCHP 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M37903S4CHP 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:16-BIT CMOS MICROCOMPUTER
M37905F8CFP 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:16-BIT CMOS MICROCOMPUTER
M37905F8CSP 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:16-BIT CMOS MICROCOMPUTER
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