參數(shù)資料
型號： DMC73C167
英文描述： 8Bit Single Chip Microcontroller
中文描述： 8位單芯片微控制器
文件頁數(shù)： 54/90頁
文件大小： 742K
代理商： DMC73C167
54
8Bit Single Chip Microcontroller
DMC73C167
SCLK
Calculation example of SCL clock speed (Fosc:4MHz)
( 1) MOVP %F9h, HDC
FFh-F9h = 6
( 4x6+8) / 4 = 8
so hi gh durati on
w l l be 8us
( 2) MOVP %F9h, LDC
FFh - F9h = 6
( 4x6+8) / 4 = 8
so l owdurati on w l l
be 8us; but i f DTY = 1,
l owdurati on w l l be 20us
Notes:
1) By calcuration, any value can be selected except the following two values:
FFh, FEh (by design specifications).
2) The I2C bus minimum timing specification must be kept. The minimum
high/low duration is 4.0/4.7us, respectively.
3) The digital filter is contained for special user. Please set "0" for normal usage.
4) The HDC (P52) and LDC (P53) registers are not able to be read from and
written to if the ENABLE bit (P49, bit 7) is not set to 1.
5.7.1.2 Master Mode Operation
Any transfer will begin with a start condition and terminate with a stop condition.
After the start condition is generated, a slave address (the contents of MDATA) is
sent. This address is 8 bits long. Bit 0 indicates the data direction: 0 = write to slave
and 1 = read from slave. Following the address, 8-bit data is transferred as required
and then terminated by a stop condition generated by the master. However, if the
master still wants to communicate on the bus, it can generate another start condition
and address another slave without generating a stop condition (restart condition).
Various combinations of read/write formats are then possible within such a transfer.
On the DMC73C167, a hardware reset clears all bits of the master control and
status registers. To start data transfer, HDC and LDC must be set with the desired
value, and the ENABLE bit must be set to 1. The following are I2C master mode
control examples of data transfer operations.
Objective:
Send immediate hex data to Slave A: 88h, AAh
HD
LD
￡￡á￡￡×￡￡
相關(guān)PDF資料
PDF描述
DMC73C168 8Bit Single Chip Microcontroller
DMC80C49 CMOS SINGLE-COMPONENT 8-BIT MICROCOMPUTER
DMCA1CHP TRANSISTOR | MOSFET | ARRAY | N-CHANNEL | 20V V(BR)DSS | 50MA I(D) | CHIP
DMCB1CHP TRANSISTOR | MOSFET | N-CHANNEL | 30V V(BR)DSS | 50MA I(D) | CHIP
DMCB2CHP TRANSISTOR | MOSFET | N-CHANNEL | 30V V(BR)DSS | 50MA I(D) | CHIP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DMC73C168 制造商:DAEWOO 制造商全稱:DAEWOO 功能描述:8Bit Single Chip Microcontroller
DMC757 制造商:Daniels Manufacturing Corporation (DMC) 功能描述:CONNECTOR
DMC-8/16-15 制造商:Brady Corporation 功能描述:
DMC-8/16-30 制造商:Brady Corporation 功能描述:
DMC80C49 制造商:DAEWOO 制造商全稱:DAEWOO 功能描述:CMOS SINGLE-COMPONENT 8-BIT MICROCOMPUTER
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