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參數(shù)資料
| 型號： | M37150MF-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8.95 MHz, MICROCONTROLLER, PDSO42 |
| 封裝： | 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42 |
| 文件頁數(shù)： | 140/142頁 |
| 文件大?。?/td> | 1712K |
| 代理商： | M37150MF-XXXFP |
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SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37150M6/M8/MA/MC/MF-XXXFP, M37150EFFP
MITSUBISHI MICROCOMPUTERS
96
Rev. 1.0
8.14.1 OSCILLATION CONTROL
(1) Stop Mode
The built-in clock generating circuit is shown in Figure 8.14.2. When
the STP instruction is executed, the internal clock
φ stops at HIGH.
At the same time, timers 3 and 4 are connected by hardware and
“FF16” is set in timer 3 and “0716” is set in timer 4. Select f(XIN)/16 or
f(XCIN)/16 as the timer 3 count source (set both bit 0 of timer mode
register 2 and bit 6 at address 00C716 to “0” before the execution of
the STP instruction). Moreover, set the timer 3 and timer 4 interrupt
enable bits to disabled (“0”) before execution of the STP instruction.
The oscillator restarts when an external interrupt is accepted. How-
ever, the internal clock
φ keeps its HIGH level until timer 4 overflows,
allowing time for oscillation stabilization when a quartz-crystal oscil-
lator is used.
By settimg bit 7 of timer return setting register (address 00CC16) to
“1, ” an arbitrarary value can be set to timer 3 and timer 4.
Bit 7 of clock control register 3 (address 021216) can switch Port P10
pin and the CLKCONT. When CLKCONT pin is selected, “H” is output
normally. When an extenal interrupt is recieved in the STP state, the
CLKCONT pin goes back to “H” output.
(2) Wait Mode
When the WIT instruction is executed, the internal clock
φ stops in
the HIGH level but the oscillator continues running. This wait state is
released at reset or when an interrupt is accepted (See note). Since
the oscillator does not stop, the next instruction can be executed
immediately.
Note: In the wait mode, the following interrupts are invalid.
VSYNC interrupt
OSD interrupt
All timer interrupts using external clock input from port pin as count
source
All timer interrupts using f(XIN)/2 or f(XCIN)/2 as count source
All timer interrupts using f(XIN)/4096 or f(XCIN)/4096 as count source
f(XIN)/4096 interrupt
Multi-master I2C-BUS interface interrupt
Data slicer interrupt
A-D conversion interrupt
(3) Low-speed Mode
If the internal clock is generated from the sub-clock (XCIN), a low
power consumption operation can be realized by stopping only the
main clock XIN. To stop the main clock, set bit 6 (CM6) of the CPU
mode register (00FB16) to “1.” When the main clock XIN is restarted,
the program must allow enough time for oscillation to stabilize.
Note that in the low-power-consumption mode the XCIN-XCOUT
drivability can be reduced, allowing even lower power consumption.
To reduce the XCIN-XCOUT drivability, clear bit 5 (CM5) of the CPU
mode register (00FB16) to “0.” At reset, this bit is set to “1” and strong
drivability is selected to help the oscillation to start. When executing
an STP instruction, set this bit to “1” by software before initiating the
instruction.
Fig.8.14.6 Clock Control Register 3
5
0 to
4
R,G,B,OUT Output amplitude
level selection bit (CC35)
b7 b6 b5 b4 b3 b2 b1 b0
0
W
R
0
W
R
6
0
W
R
7
(CC37)
0: Clock control signal
1: P10 I/O
0
W
R
0
Fix these bits to "0"
Fix this bit to "0"
Clock control register 3 (CC3) [Address 021216]
Name
B
Functions
After reset R W
Clock control register 3
0: 0V–VCC
1: 0V–About 0.6VCC
P10 function-selection bit
(Note)
Note: When used as the clock control signal, set the Port 1 Direction Register
(address 00C316) bit 0 to 1.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M37150MC-XXXFP | 8-BIT, MROM, 8.95 MHz, MICROCONTROLLER, PDSO42 |
| M37151MC-XXXFP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42 |
| M37151MF-XXXFP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42 |
| M37151M6-XXXFP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42 |
| M37151M8-XXXFP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37151 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37151EFFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37151EFSS | 功能描述:DEV MCU/8BIT CMOS EMULATION CHIP RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時/停產(chǎn)零件編號 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
| M37151ERSS | 制造商:Renesas Electronics Corporation 功能描述:DEV MCU/8BIT CMOS EMULATION CHIP - Bulk |
| M37151M6 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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