參數(shù)資料
型號: UPD784031YGK-BE9
廠商: NEC Corp.
英文描述: 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 16-/8-bit的單晶片微控制器
文件頁數(shù): 38/88頁
文件大?。?/td> 464K
代理商: UPD784031YGK-BE9
38
μ
PD784031Y
7.8.2 Clocked serial interface (CSI)
In this mode, the master device starts transfer by making the serial clock active and communicates 1-byte data in
synchronization with this clock.
Figure 7-12. Block Diagram of Clocked Serial Interface
Remark
f
XX
: oscillation frequency or external clock input
Internal bus
Direction
control
register
Slave address
register
Selector
Selector
Selector
Acknowledge
detection
control
Wake-up
control circuit
Prescaler
Shift register
Output latch
Match signal
Set
Reset
SI0
SO0/SDA
N-ch open drain output
(in 2-wire or I
2
C bus mode)
Stop condition
detection circuit
Serial clock
counter
SCK0/SCL
Serial clock
control circuit
N-ch open drain output
(in 2-wire or I
2
C bus mode)
CLS0
CLS1
Timer 3 output
f
XX
/16
f
XX
/2
Interrupt signal
generation
circuit
INTCSI
INTSPC
Start condition
detection circuit
Acknowledge
detection circuit
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