參數(shù)資料
型號: UPD70741
廠商: NEC Corp.
元件分類: 16位微控制器
英文描述: V821TM 32-/16-BIT MICROPROCESSOR
中文描述: V821TM 32-/16-BIT微處理器
文件頁數(shù): 39/112頁
文件大?。?/td> 605K
代理商: UPD70741
μ
PD70741
39
CSIM
D
Q
SI
SO
SCLK
1
2
/2
φ
φ
INTCSI
CTXE
CRXE
SOT MOD
CLS
Internal bus
SO latch
Shift register (SIO)
Serial clock
control circuit
S
S
Baud rate generator
Serial clock
counter
Interrupt
control circuit
8.3 Synchronous Serial Interface (CSI)
8.3.1 Features
High-speed transfer 6.25 Mbps maximum (when
φ
/2 is used with
φ
= 25 MHz)
Half-duplex communication
Character length: 8 bits
Switchable between the MSB and LSB to lead data transfer
Allows selection between external serial clock input and internal serial clock output
Three-wire method
SO
: Serial data output
SI
: Serial data input
SCLK : Serial clock I/O pin
One interrupt source
Interrupt request signal (INTCSI)
Figure 8-2. Block Diagram of Clock Synchronous Serial Interface
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