参数资料
型号: M37207MF-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64
封装: 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64
文件页数: 47/122页
文件大小: 2193K
代理商: M37207MF-XXXSP
29
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
Function
In conformity with Philips I2C-BUS
standard:
10-bit addressing format
7-bit addressing format
High-speed clock mode
Standard clock mode
In conformity with Philips I2C-BUS
standard:
Master transmission
Master reception
Slave transmission
Slave reception
16.1 kHz to 400 kHz (at
φ = 4 MHz)
Table 2. Multi-master I2C-BUS Interface Functions
Item
Format
Communication mode
SCL clock frequency
φ : System clock = f(XIN)/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 I2C control register at address
00F916) for connections between the I2C-BUS interface and
ports (SCL1, SCL2, SDA1, SDA2).
MULTI-MASTER I2C-BUS INTERFACE
The multi-master I2C-BUS interface is a serial communications cir-
cuit, conforming to the Philips I2C-BUS data transfer format. This
interface, offering both arbitration lost detection and a synchronous
functions, is useful for the multi-master serial communications.
Figure 23 shows a block diagram of the multi-master I2C-BUS inter-
face and Table 2 shows multi-master I2C-BUS interface functions.
This multi-master I2C-BUS interface consists of the I2C address reg-
ister, the I2C data shift register, the I2C clock control register, the I2C
control register, the I2C status register and other control circuits.
Fig. 23. Block Diagram of Multi-master I2C-BUS Interface
I2C address register (S0D)
b7
b0
SAD6 SAD5 SAD4 SAD3 SAD2 SAD1 SAD0 RBW
Noise
elimination
circuit
Serial
data
(SDA)
Address comparator
b7
I C data shift register
b0
Data
control
circuit
I2C clock control register (S2)
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
10BIT
SAD
ALS
BC2 BC1 BC0
I2C clock control register (S1D)
Bit counter
BB
circuit
Clock
control
circuit
Noise
elimination
circuit
Serial
clock
(SCL)
b7
b0
ACK
BIT
FAST
MODE
CCR4 CCR3 CCR2 CCR1 CCR0
Internal data bus
Clock division
S0
AL
circuit
ESO
2
相关PDF资料
PDF描述
M37207MF-XXXFP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PQFP80
M37207EFSP 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP64
M37212M6-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52
M37212EFSP 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52
M37212EFFP 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PQFP80
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