参数资料
型号: MB90671PFV
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80
封装: PLASTIC, LQFP-80
文件页数: 65/106页
文件大小: 1648K
代理商: MB90671PFV
MB90670/675 Series
61
(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
Erro
r
Start
Master
ACK
enable
GC-ACK
enable
Interrupt
enable
Transmission
enable
flag
Bus
busy
Repeat
start
Last
bit
Transmit/receive
Sl
ave
General
call
Detection
of
first
byte
Number of in-
terrupt re-
quest
generated
Start stop condition
generation circuit
Start stop condition
detection circuit
Interrupt request signal
#38 (26H)*
SDA line
CCL line
Pin
P90/SDA
Pin
P91/SCL
I2C enable
IDAR register
Slave address
comparison circuit
IADR register
Arbitration lost
detection circuit
Clock control block
4
φ
Clock di-
vider 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
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