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MB90F482 データシート(PDF) 57 Page - fujitsu semiconductor

部品番号 MB90F482
部品情報  16-bit Proprietary Microcontroller
PDF  120 Pages
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メーカー  FUJITSU [fujitsu semiconductor]
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MB90F482 データシート(HTML) 57 Page - fujitsu semiconductor

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MB90480/485 Series
57
9.
I2C Interface (MB90485 series only)
The I2C interface is a serial I/O port supporting the Inter IC BUS. Serves as a master/slave device on the I2C bus.
The I2C interface has the following functions.
• Master/slave transmit/receive
• Arbitration function
• Clock synchronization
• Slave address/general call address detection function
• Forwarding direction detection function
• Start condition repeated generation and detection
• Bus error detection function
(1) Register List
Bus Status Register (IBSR)
Bus control register (IBCR)
Clock control register (ICCR)
Address register (IADR)
Data register (IDAR)
Initial value
000088H
00000000B
Initial value
000089H
00000000B
Initial value
00008AH
--0XXXXXB
Initial value
00008BH
-XXXXXXXB
Initial value
00008CH
XXXXXXXXB
76
5
4
3
2
1
0
BB
RSC
AL
LRB TRX
AAS
GCA
FBT
RR
R
R
R
R
R
R
15
14
13
12
11
10
9
8
BER BEIE SCC
MSS ACK GCAA INTE
INT
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
76
5
4
3
2
1
0
EN
CS4 CS3
CS2
CS1
CS0
R/W
R/W
R/W
R/W
R/W
R/W
15
14
13
12
11
10
9
8
A6
A5
A4
A3
A2
A1
A0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
76
5
4
3
2
1
0
D7
D6
D5
D4
D3
D2
D1
D0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W



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