参数资料
型号: MB90654APF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP100
封装: PLASTIC, QFP-100
文件页数: 65/106页
文件大小: 873K
代理商: MB90654APF
MB90650A Series
61
12. I2C Interface
The I2C interface is a serial I/O port that supports the Inter-IC bus and operates as a master/slave device on the
I2C bus. This module has the following features:
Master/slave transmission/reception
Arbitration function
Clock synchronization function
Slave address/general call address detection function
Transfer direction detection function
Start condition repeat generation and detection function
Bus error detection function
(1) Register Configuration
Address : 000083H
A6A5A4A3A2
A1A0
R/W
Initial value
-XXXXXXX B
I2C bus address register (IADR)
I2C bus data register (IDAR)
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
Address : 000084H
D7
D6
D5
D4
D3
D2
D1
D0
R/W
Initial value
XXXXXXXX B
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
I2C bus clock control register (ICCR)
Address : 000082H
EN
CS4
CS3
CS2
CS1
CS0
R/W
Initial value
--0XXXXX B
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
R
X
Address : 000081H
BER
BEIE
SCC
MSS
ACK
GCAA
INTE
INT
R/W
Initial value
00000000 B
I2C bus control register (IBCR)
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
I2C bus status register (IBSR)
Address : 000080H
BB
RSC
AL
LRB
TRX
AAS
GCA
FBT
R
Initial value
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
: Readable and writable
: Read only
: Unused
: Indeterminate
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