參數(shù)資料
型號: HMS81C43XX
廠商: Hynix Semiconductor Inc.
英文描述: CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER FOR TELEVISION
中文描述: CMOS單芯片8位單片機(jī)電視
文件頁數(shù): 65/100頁
文件大小: 1943K
代理商: HMS81C43XX
HMS81C43xx / GMS87C4060
65
November 2001 ver 1.2
Figure 18-4 I
2
C status Register
I
2
C control register 1
It controls communication data format.
Figure 18-5 I
2
C control Register 1
I
2
C control register 2
It controls SCL mode, SCL frequency, etc.
It contains 8bit data to transmit to external device when tr-
asmitter mode, or received 8bit data from external device
when receive mode.
1
AD0
General call detection flag.
If general call is detected, AD0=1, or
not 0.
* General call : If received address is all
‘0’ . it is called general call.
0
LRB
Last received bit.
it is used for receive confirmation. If
ACK is returned, LRB=0, or not 1.
Bit
No.
Name
Function
7
6
BSEL1
BSEL0
I
2
C connection control.
00: No connection
01: SCL1, SDA1
10: SCL2, SDA2
11: SCL1, SDA1, SCL2, SDA2
4
ALS
Data format selection.
0: Addressing format
1: Free data format
3
ESO
I
2
C Bus interface use enable flag
0: Disabled
1: Enabled
2
BC2
Bit counter.
000
b
: 8bit
001
b
~111
b
: 1~7bit
1
BC1
0
BC0
Table 18-2 Bit function
Bit
No.
Name
Function
Table 18-1 Bit function
ICSR
ADDRESS : 00DA
RESET VALUE : 0001 0000
b
R
R
R
RW
RW
RW
RW
R
MST
TRX
BB
PIN
AL
AAS
AD0
LRB
Bit
No.
Name
Function
7
ACLK
Select acknowledge clock (ACK) mode.
0: No acknowledge clock mode.
acknowledge clock is not generated
after data was transmismitted.
1: acknowledge clock mode.
acknowledge clock is generated after
data was transmismitted.
6
ACK
If acknowledge clock is returned, this bit
is 0. Or not 1.
5
1
(fixed)
Not used.
Table 18-3 Bit function
ICCR1
ADDRESS : 00DB
RESET VALUE : 00-0 0000
b
RW
RW
RW
ALS
ESO
BC2
BC1
BC0
BSEL
0
BSEL
1
RW
RW
RW
RW
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