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UPD75336 数据表(PDF) 21 Page - NEC

部件名 UPD75336
功能描述  4-BIT SINGLE-CHIP MICROCOMPUTER
PDF  68 Pages
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制造商  NEC [NEC]
网页  http://www.nec.com/
标志 NEC - NEC

UPD75336 数据表(HTML) 21 Page - NEC

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µPD75336
5.3
CLOCK OUTPUT CIRCUIT
The clock output circuit is intended to output clock pulses from the P22/PCL pin and is used for remote control
or to supply clock pulses to peripheral LSIs.
• Clock output (PCL):
Φ, 524 kHz, 262 kHz, 65.5 kHz (at 4.19 MHz operation)
Fig. 5-2 Clock Output Circuit Configuration
CLOM3
CLOM1CLOM0
0
Φ
Internal Bus
CLOM
P22
Output Latch
PORT2.2
Bit 2 of PMGB
Bit Specified
In Port 2
Input/Output
Mode
Output Buffer
PCL/P22
fX/2
3
fX/2
4
fX/2
6
Selector
From Clock
Generator
4
Remarks
The clock circuit is so configured that short-width pulses are not generated when clock output
enable/disable is switched.



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