參數(shù)資料
型號(hào): MB90F574/APFF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, MICROCONTROLLER, PQFP120
封裝: PLASTIC, LQFP-120
文件頁(yè)數(shù): 73/120頁(yè)
文件大?。?/td> 1834K
代理商: MB90F574/APFF
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MB90570 Series
56
8.
I2C Interface
The I2C interface is a serial I/O port supporting Inter IC BUS operating as master/slave devices on I2C bus.
The MB90570/A series contains one channel of an I2C interface, having the following features.
Master/slave transmission/reception
Arbitration function
Clock synchronization function
Slave address/general call address detection function
Transmission direction detection function
Repeated generation function start condition and detection function
Bus error detection function
(1) Register Configuration
. . . . . . . . . . . .
I2C bus status register (IBSR)
bit 15
bit 8
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
(IBCR)
BER
BEIE
SCC
MSS
ACK
GCAA
INTE
INT
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
bit 7
bit 0
RR
R
R/W
BB
RSC
AL
LRB
TRX
AAS
GCA
FBT
(IBSR)
Initial value
00000000B
Address
000068H
Address
000069H
Initial value
00000000B
bit 15
bit 8
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
(IADR)
——
R/W
EN
CS4
CS3
CS2
CS1
CS0
Initial value
--0XXXXXB
Address
00006AH
R/W
I2C bus control register (IBCR)
I2C bus clock control register (ICCR)
—A6A5
A4
A3
A2
A1
A0
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
bit 7
bit 0
R/W
(ICCR)
Address
00006BH
Initial value
-XXXXXXXB
bit 15
bit 8
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
(Disabled)
D7
Initial value
XXXXXXXXB
Address
00006CH
R/W
D6
D5
D4
D3
D2
D1
D0
R/W
R/W: Readable and writable
R: Read only
—: Reserved
X: Indeterminate
I2C bus address register (IADR)
I2C bus data register (IDAR)
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