參數(shù)資料
型號(hào): uPD750066CUA
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 4位單晶片微控制器
文件頁(yè)數(shù): 26/82頁(yè)
文件大?。?/td> 460K
代理商: UPD750066CUA
26
μ
PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
Data Sheet U10165EJ2V0DS00
6.4 Clock Output Circuit
The clock output circuit is provided to output the clock pulses from the P22/PCL pin to the remote control wave
output applications and peripheral LSIs.
Clock output (PCL) :
Φ
, 1.05 MHz, 262 kHz, 65.5 kHz (@ 4.19-MHz operation)
:
Φ
, 1.5 MHz, 375 kHz, 93.8 kHz (@ 6.0-MHz operation)
Figure 6-3. Clock Output Circuit Block Diagram
From clock
generator
Φ
f
X
/2
2
f
X
/2
4
f
X
/2
6
Selector
CLOM3
0
CLOM1 CLOM0
4
CLOM
P22
output latch
Port 2 I/O mode
specification bit
PORT2.2
Bit 2 of PMGB
Internal bus
Output buffer
PCL/P22
Remark
Special care has been taken in designing the chip so that small-width pulses may not be output
when switching clock output enable/disable.
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