參數(shù)資料
型號: UPD784908
廠商: NEC Corp.
英文描述: 16-BIT SINGLE-CHIP MICROCONTROLLER
中文描述: 16位單片機
文件頁數(shù): 48/98頁
文件大?。?/td> 657K
代理商: UPD784908
μ
PD784907, 784908
48
Data Sheet U11680EJ2V0DS00
CLKOUT
f
CLK
f
CLK
/2
f
CLK
/4
f
CLK
/8
f
CLK
/16
S
Output control
Enable output
Output level
3-wire serial I/O mode
This mode is designed for communication with a device incorporating a conventional clocked serial interface.
Basically, three lines are used for communication: the serial clock line (SCKn) and serial data lines (SIn and SOn)
(n = 0, 3).
In general, a handshake line is required to check the state of communication.
8.9 Clock Output Function
The frequency of the CPU clock signal can be divided and output from the system. Moreover, the port can be used
as a 1-bit port.
The ASTB pin is also used as the CLKOUT pin, so that when this function is used, the local bus interface cannot
be used.
Figure 8-14. Block Diagram of Clock Output Function
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