參數(shù)資料
型號: UPD750108GB-XXX-3BS-MTX
廠商: NEC Corp.
英文描述: MICROCONTROLLER|4-BIT|UPD75XL CPU|CMOS|QFP|44PIN|PLASTIC
中文描述: 單片機(jī)| 4位| UPD75XL的CPU |的CMOS | QFP封裝| 44PIN |塑料
文件頁數(shù): 24/80頁
文件大小: 525K
代理商: UPD750108GB-XXX-3BS-MTX
μ
PD750104, 750106, 750108, 750104(A), 750106(A), 750108(A)
24
6.4 Clock Output Circuit
The clock output circuit outputs a clock pulse from the P22/PCL pin. This clock pulse is used for remote control
waveform output, peripheral LSIs, etc.
Clock output (PCL):
Φ
, 125, 62.5, or 15.6 kHz (at 1.0 MHz)
Φ
, 250, 125, or 31.3 kHz (at 2.0 MHz)
Figure 6-3. Clock Output Circuit Configuration
Remark
Measures are taken to prevent outputting a narrow pulse when selecting clock output enable/disable.
From the clock
generator
CLOM
Selector
Output
buffer
Port 2 input/
output mode
specification bit
P22 output
latch
PCL/P22
Internal bus
4
PORT2.2
Bit 2 of PMGB
CLOM0
CLOM1
0
CLOM3
Φ
f
CC
/2
3
f
CC
/2
4
f
CC
/2
6
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