參數(shù)資料
型號(hào): HT46C23
廠(chǎng)商: Holtek Semiconductor Inc.
英文描述: A/D Type 8-Bit MCU
中文描述: 的A / D型8位微控制器
文件頁(yè)數(shù): 22/48頁(yè)
文件大?。?/td> 348K
代理商: HT46C23
HT46R23/HT46C23
Rev. 1.60
22
May 3, 2004
Note:
1. Write the I
2
C Bus address register (HADR) to define
its own slave address.
2. Set HEN bit of I
2
C Bus control register (HCR) bit 0 to
enable the I
2
C Bus.
Label
(HCR)
Bits
Function
HEN
7
To enable or disable I
2
C Bus function
(0= disable; 1= enable)
6~5
Unused bit, read as 0
HTX
4
To define the transmit/receive mode
(0= receive mode; 1= transmit)
TXAK
3
To enable or disable transmit acknowl-
edge
(0=acknowledge;1=don tacknowledge)
2~0
Unused bit, read as 0
HCR Register
3. Set EHI bit of the interrupt control register 1 (INTC1)
bit 0 to enable the I
2
C Bus interrupt.
Label
Function
HCF
7
HCF is clear to 0 when one data byte is
being transferred, HCF is set to 1 indi-
cating 8-bit data communication has
been finished.
HAAS
6
HAAS is set to 1 when the calling ad-
dress has matched, and I
2
C Bus inter-
rupt will occur and HIF is set.
HBB
5
HBB is set to 1 when I
2
C Bus is busy
and HBB is cleared to 0 means that the
I
2
C Bus is not busy.
4~3 Unused bit, read as 0
SRW
2
SRW is set to 1 when the master wants
to read data from the I
2
C Bus, so the
slave must transmit data to the master.
SRW is cleared to 0 when the master
wants to write data to the I
2
C Bus, so the
slavemustreceivedatafromthemaster.
1
Unused bit, read as 0
RXAK
0
RXAK is cleared to 0 when the master
receives an 8-bit data and acknowledg-
ment at the 9th clock, RXAK is set to 1
means not acknowledged.
HSR Register
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