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| 型號： | M3720-3 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1 KEY 1 SOUND |
| 中文描述： | 1鍵1聲 |
| 文件頁數(shù)： | 78/121頁 |
| 文件大?。?/td> | 1907K |
| 代理商： | M3720-3 |
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MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
78
Fig. 79. State Transitions of System Clock
Reset
The example assumes that 8 MHz is being applied to the X
IN
pin and 32 kHz to the X
CIN
pin. The
φ
indicates the internal clock.
WIT instruction
CM7 : Internal system clock selection bit
0 : X
IN
–X
OUT
selected (high-speed mode)
1 : X
CIN
–X
COUT
selected (low-speed mode)
CPU mode register
(Address : 00FB
16
)
CM6 : Main clock (X
IN
–X
OUT
) stop bit
0 : Oscillating
1 : Stopped
8MHz oscillating
32kHz oscillating
φ
is stopped (HIGH)
Timer operating
8MHz oscillating
32kHz oscillating
f(
φ
) = 4MHz
8MHz stopped
32kHz stopped
φ
s stopped (HIGH)
8MHz oscillating
32kHz oscillating
φ
is stopped (HIGH)
Timer operating
(Note 3)
8MHz oscillating
32kHz oscillating
f(
φ
) = 16kHz
8MHz stopped
32kHz stopped
φ
s stopped (HIGH)
8MHz stopped
32kHz stopped
φ
= stopped (HIGH)
8MHz stopped
32kHz oscillating
f(
φ
) = 16kHz
8MHz stopped
32kHz oscillating
φ
is stopped (HIGH)
Timer operating
(Note 3)
Interrupt
STP instruction
Interrupt (Note 1)
WIT instruction
Interrupt
WIT instruction
Interrupt
STP instruction
Interrupt (Note 2)
STP instruction
Interrupt (Note 2)
XC = 1
XC = 0
CM6 = 1
CM6 = 0
External INT,
timer interrupt,
or SI/O interrupt
External INT,
or SI/O interrupt
Notes 1: When the STP state is ended, a delay of approximately 8ms is automatically generated by timer 3 and timer 4.
2: The delay after the STP state ends is approximately 2s.
3: When the internal clock
φ
divided by 8 is used as the timer count source, the frequency of the count source is 2kHz.
The program must
allow time for 8MHz
oscillation to stabilize
High-speed operation
start mode
WIT instruction
8MHz oscillating
32kHz oscillating
φ
is stopped (HIGH)
Timer operating
8MHz oscillating
32kHz oscillating
f(
φ
) = 4MHz
8MHz stopped
32kHz stopped
φ
s stopped (HIGH)
Interrupt
STP instruction
Interrupt (Note 1)
CM7 = 1
CM7 = 0
External INT,
timer interrupt,
or SI/O interrupt
External INT
Port control register
(Address : 0206
16
)
XC: P4
0
/X
CIN
, P4
1
/X
COUT
function
selection bit
0 : P4
0
, P4
1
1 : X
CIN
, X
COUT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M3720-4 | 1 KEY 1 SOUND |
| M3720-5 | 26604060VOID34 |
| M3720-6 | 1 KEY 1 SOUND |
| M3720-7 | 1 KEY 1 SOUND |
| M3720-8 | 1 KEY 1 SOUND |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M3720-4 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M3720-5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M3720-6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M3720-7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M37207EFFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
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