參數(shù)資料
型號(hào): UPD75104
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁(yè)數(shù): 22/70頁(yè)
文件大小: 535K
代理商: UPD75104
μ
PD75104, 75106, 75108
22
5.3
CLOCK OUTPUT CIRCUIT
The clock output circuit outputs clock pulse from the P22/PCL pin. This clock output circuit is used to output
clock pulses to the remote control output, peripheral LSIs, etc.
Clock output (PCL) :
Φ
, 524, 262 kHz (operating at 4.19 MHz)
Selector
Output
buffer
PCL/P22
Bit 2 of PMGB
PORT2.2
Port 2 input/
output mode
specification
bit
P22 output
latch
Internal bus
CLOM3 CLOM2 CLOM1 CLOM0 CLOM
4
Φ
f
X
/2
3
X
f
X
/2
4
X
From the
clock
generator
Fig. 5-2 Clock Output Circuit Configuration
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