參數(shù)資料
型號: MB90F574A
廠商: Fujitsu Limited
英文描述: Octal Bus Transceivers And Registers With 3-State Outputs 24-CFP -55 to 125
中文描述: 16位微控制器專有
文件頁數(shù): 57/135頁
文件大?。?/td> 2504K
代理商: MB90F574A
57
MB90570 Series
(2) Block Diagram
Internal data bus
I
2
C bus control register
(IBCR)
I
2
C bus status register
(IBSR)
BER BEIE SCC MSS ACK
GCAA INTE
INT
BB RSC AL
LRB TRX AAS GCA FBT
E
S
M
A
G
I
T
c
B
R
L
T
S
G
D
Number of
interrupt
request
generated
Start stop condition
generation circuit
Start stop condition
detection circuit
Interrupt request signal
#36*
SDA line
SCL line
Pin
Pin
PA7/SCL
I
2
C 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
I
2
C enable
EN CS4 CS3 CS2 CS1 CS0
I
2
C bus clock control register
(ICCR)
φ
: Machine clock frequency
* : Interrupt number
PA6/SDA
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