參數(shù)資料
型號： M3720
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)： 106/121頁
文件大小： 1907K
代理商： M3720
106
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
Serial I/O Mode Register
I
2
C Clock Control Register
Address 00DD
16
Address 00DE
16
b7 b6 b5 b4 b3 b2 b1 b0
I
2
C clock control register (S2 : address 00DD
16
)
I
2
C Clock Control Register
0
to
4
SCL frequency control bits
(CCR0 to CCR4)
7
5
6
SCL mode
specification bit
(FAST MODE)
0 : Standard clock mode
1 : High-speed clock mode
0
Standard clock
mode
B
Name
Functions
After reset
R W
0
0
0
ACK bit
(ACK BIT)
ACK clock bit
(ACK)
0 : ACK is returned.
1 : ACK is not returned.
0 : No ACK clock
1 : ACK clock
High speed
clock mode
Setup disabled Setup disabled
00 to 02
Setup disabled
333
250
03
04
05
06
Setup disabled
100
83.3
400 (See note)
166
500/CCR value
17.2
16.6
16.1
1000/CCR value
34.5
33.3
32.3
.
1D
1E
1F
(at
φ
= 4 MHz, unit : kHz)
Note:
At 400 kHz in the high-speed clock mode, the duty is as below .
“0” period : “1” period = 3 : 2
In the other cases, the duty is as below.
“0” period : “1” period = 1 : 1
Setup value of
CCR4–CCR0
R W
R W
R W
R W
b7b6 b5b4b3 b2b1b0
Serial I/O mode register (SM) [Address 00DE
16
]
B
Name
Functions
After reset
R W
0
Serial I/O Mode Register
0, 1 Internal synchronous
clock selection bits
(SM0, SM1)
(See note 1)
b1 b0
0 0: f(X
IN
)/4 or f(X
CIN
)/4
0 1: f(X
IN
)/16 or f(X
CIN
)/16
1 0: f(X
IN
)/32 or f(X
CIN
)/32
1 1: f(X
IN
)/64 or f(X
CIN
)/64
2
Synchronous clock
selection bit (SM2)
3, 7 Ports P4
0
, P4
1
function selection
bits (SM3, SM7)
(See note 2)
P4
0
/S
OUT2
/
SDA3/X
CIN
P4
0
S
OUT2
SDA3
P4
2
/S
IN2
/
SDA2/AD8
P4
2
SDA2
P4
2
SDA2
0: External clock
1: Internal clock
0
0
R W
R W
R W
4, 6 Ports P4
2
, P4
3
function selection bits
(SM4, SM6)
(See note 2)
5
Transfer direction
selection bit (SM5)
0: LSB first
1: MSB first
0
R W
P4
1
/S
CLK2
/
SCL3/X
COUT
P4
1
S
CLK2
SCL3
P4
3
/S
RDY2
/
SCL2/AD7
P4
3
b7
0
1
b6
b3
0
1
0
R W
S
RDY2
SDA2
0
1
0
1
b4
0
1
Notes 1:
Either f(X
IN
) or f(X
CIN
) is selected by bit 7 of the CPU
mode register.
2:
When using ports P4
0
–P4
3
as serial I/O pins, set bit 1 of
the serial control register to “1.”
相關(guān)PDF資料
PDF描述
M3720-1 1 KEY 1 SOUND
M3720-10 1 KEY 1 SOUND
M3720-2 1 KEY 1 SOUND
M3720-3 1 KEY 1 SOUND
M3720-4 1 KEY 1 SOUND
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M3720-1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND
M3720-10 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND
M3720-2 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND
M3720-3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND
M3720-4 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND
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