參數(shù)資料
型號(hào): UPD784037
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(yè)數(shù): 43/94頁(yè)
文件大?。?/td> 503K
代理商: UPD784037
43
μ
PD784035Y, 784036Y, 784037Y, 784038Y
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
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
Remark
f
XX
: oscillation frequency or external clock input
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