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參數(shù)資料
| 型號(hào)： | M37270EF |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Single Chip 8 Bits Microcomputer(8位單片機(jī)) |
| 中文描述： | 單芯片8位單片機(jī)（8位單片機(jī)） |
| 文件頁數(shù)： | 36/94頁 |
| 文件大小： | 1551K |
| 代理商： | M37270EF |
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MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
36
Function
In conformity with Philips I
2
C-BUS
standard:
10-bit addressing format
7-bit addressing format
High-speed clock mode
Standard clock mode
In conformity with Philips I
2
C-BUS
standard:
Master transmission
Master reception
Slave transmission
Slave reception
16.1 kHz to 400 kHz (at
φ
= 4 MHz)
Table 6. Multi-master I
2
C-BUS interface functions
Item
Format
Communication mode
SCL clock frequency
φ
: System clock = f(X
IN
)/2
Note:
We are not responsible for any third party’s infringement of
patent rights or other rights attributable to the use of the con-
trol function (bits 6 and 7 of the I
2
C control register at address
00F9
16
) for connections between the I
2
C-BUS interface and
ports (SCL1, SCL2, SDA1, SDA2).
MULTI-MASTER I
2
C-BUS INTERFACE
The multi-master I
2
C-BUS interface is a circuit for serial communica-
tions conformed with the Philips I
2
C-BUS data transfer format. This
interface, having an arbitration lost detection function and a synchro-
nous function, is useful for serial communications of the multi-mas-
ter.
Figure 36 shows a block diagram of the multi-master I
2
C-BUS inter-
face and Table 6 shows multi-master I
2
C-BUS interface functions.
This multi-master I
2
C-BUS interface consists of the I
2
C address reg-
ister, the I
2
C data shift register, the I
2
C clock control register, the I
2
C
control register, the I
2
C status register and other control circuits.
Fig. 36. Block diagram of multi-master I
2
C-BUS interface
I C address register
b7
b0
SAD6 SAD5 SAD4 SAD3 SAD2 SAD1SAD0 RBW
Noise
elimination
circuit
Serial
data
(SDA)
Address comparator
b7
I C data shift register
b0
Data
control
circuit
I C clock control register
System clock
(
φ
)
Interrupt
generating
circuit
Interrupt
request signal
(IICIRQ)
b7
MST TRX BB PIN
AL AAS AD0 LRB
b0
I C status
register
S1
b7
b0
BSEL1 BSEL0 SAD
ALS
BC2
BC1 BC0
S1D I C clock control register
Bit counter
BB
circuit
Clock
control
circuit
Noise
elimination
circuit
Serial
clock
(SCL)
b7
ACKBIT
b0
FAST
Internal data bus
Clock division
S
0
S2
S0D
AL
circuit
ES0
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|---|---|
| M37270EFSP | 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 |
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| M37270EF-XXXSP | 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 |
| M37270ERSS | 功能描述:EMULATION MCU/8BIT CMOS EMULATIO RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 配件 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program RoHS指令信息:IButton RoHS Compliance Plan 標(biāo)準(zhǔn)包裝:1 系列:- 附件類型:USB 至 1-Wire? RJ11 適配器 適用于相關(guān)產(chǎn)品:1-Wire? 設(shè)備 產(chǎn)品目錄頁面:1429 (CN2011-ZH PDF) |
| M37270MF | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
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