參數(shù)資料
型號: MB90474PF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 71/118頁
文件大?。?/td> 1199K
代理商: MB90474PF
MB90470 Series
56
9.
I2C Interface
The I2C interface is a serial I/O port supporting Inter IC bus operation, and operates as a master/slave device
on the I2C bus. The following features are provided.
Master/slave sending and receiving
Arbitration functions
Clock synchronization functions
Slave address/general call address detection functions
Transfer direction detection function
Start condition repeat generator and detection function
Bus error detection function
(1) Register List
IBSR (bus status register)
IBCR (bus control register)
ICCR (clock control register)
IADR (address register)
IDAR (data register)
Bit no.
Address : 000088H
Read/write
Default value
Bit no.
Address : 000089H
Read/write
Default value
Bit no.
Address : 00008AH
Read/write
Default value
Bit no.
Address : 00008BH
Read/write
Default value
Bit no.
Address : 00008CH
Read/write
Default value
( R )
( 0 )
( R )
( 0 )
( R )
( 0 )
( R )
( 0 )
( R )
( 0 )
( R )
( 0 )
( R )
( 0 )
76
5
4
3
2
1
0
RSC
( R )
( 0 )
BB
AL
LRB
TRX
AAS
GCA
FBT
(R/W)
( 0 )
(R/W)
( 0 )
(R/W)
( 0)
(R/W)
( 0 )
(R/W)
( 0 )
(R/W)
( 0 )
(R/W)
( 0 )
15
14
13
12
11
10
9
8
BEIE
(R/W)
( 0 )
BER
SCC
MSS
ACK
GCAA
INTE
INT
(
)
(
)
(R/W)
( 0 )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
76
5
4
3
2
1
0
(
)
(
)
EN
CS4
CS3
CS2
CS1
CS0
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
15
14
13
12
11
10
9
8
A6
(
)
(
)
A5
A4
A3
A2
A1
A0
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
(R/W)
( X )
76
5
4
3
2
1
0
D6
(R/W)
( X )
D7
D5
D4
D3
D2
D1
D0
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