參數(shù)資料
型號: MB90F574PFV
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP120
封裝: PLASTIC, QFP-120
文件頁數(shù): 74/120頁
文件大?。?/td> 1754K
代理商: MB90F574PFV
MB90570 Series
57
(2) Block Diagram
Internal data bus
I2C bus control register
(IBCR)
I2C bus status register
(IBSR)
BER BEIE SCC MSS ACK GCAA INTE INT
BB RSC AL
LRB TRX AAS GCA FBT
Error
Start
Master
ACK
enable
GC-ACK
enable
Interrupt
enable
Transmission
complete
flag
Bus
busy
Repeat
start
Last
bit
Transmit/receive
Sl
ave
General
call
Detection
of
first
byte
Number of
interrupt
request
generated
Start stop condition
generation circuit
Start stop condition
detection circuit
Interrupt request signal
#36*
SDA line
SCL line
Pin
PA7/SCL
I2C enable
IDAR register
Slave address
comparison circuit
IADR register
Arbitration lost
detection circuit
Clock control block
4
φ
Clock
divider 1
(1/5 to
1/8)
Count
clock
selector 1
Clock
divider 2
Count
clock
selector 2
Shift clock
generation
circuit
Sync
8
I2C enable
EN CS4 CS3 CS2 CS1 CS0
I2C bus clock control register
(ICCR)
φ:Machine clock frequency
*:Interrupt number
PA6/SDA
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