參數資料
型號: MB90F489BPF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數: 57/120頁
文件大?。?/td> 1241K
代理商: MB90F489BPF
MB90480/485 Series
57
9.
I
2
C Interface (MB90485 series only)
The I
2
C interface is a serial I/O port supporting the Inter IC BUS. Serves as a master/slave device on the I
2
C bus.
The I
2
C 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
00000000
B
000088
H
Initial value
00000000
B
000089
H
Initial value
--0XXXXX
B
00008A
H
Initial value
-XXXXXXX
B
00008B
H
Initial value
XXXXXXXX
B
00008C
H
7
6
5
4
3
2
1
0
BB
RSC
AL
LRB TRX
AAS
GCA
FBT
R
R
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
7
6
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
7
6
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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