參數(shù)資料
型號(hào): M34551E8-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, MICROCONTROLLER, PQFP48
封裝: 7 X 10 MM, 0.65 MM PITCH, PLASTIC, QFP-48
文件頁數(shù): 101/154頁
文件大?。?/td> 1778K
代理商: M34551E8-XXXFP
4551 Group User’s Manual
HARDWARE
1-39
Fig. 38 Ceramic resonator external circuit
(2) f(XIN) clock generating circuit
Clock signal f(XIN) is obtained by externally connecting a
ceramic resonator. Connect this external circuit to pins XIN
and XOUT at the shortest distance. A feedback resistor is built
in between pins XIN and XOUT.
(3) f(XCIN) clock generating circuit
Clock signal f(XCIN) is obtained by externally connecting a
quartz-crystal oscillator. Connect this external circuit to pins
XCIN and XCOUT at the shortest distance. A feedback resistor
is built in between pins XCIN and XCOUT.
ROM ORDERING METHOD
Please submit the information described below when ordering
Mask ROM.
(1) M34551M4-XXXFP Mask ROM Order Confirmation Form
.............................................................................................. 1
(2) Data to be written into mask ROM
EPROM (three sets containing the identical data)
(3) Mark Specification Form .................................................... 1
M34551
XIN
XOUT
Rd
CIN
COUT
Externally connect a
damping resistor Rd
depending on the
oscillation frequency.
(A feedback resistor is
built-in.)
Use the resonator
manufacturer’s
recommended value
because constants such
as capacitance depend
on the resonator.
Note:
Fig. 39 Quartz-crystal oscillator external circuit
M34551
XCIN
XCOUT
Rd
CIN
COUT
Externally connect a
damping resistor Rd
depending on the
oscillation frequency.
(A feedback resistor is
built-in.)
Use the quartz-crystal
oscillator manufacturer’s
recommended value
because constants such
as capacitance depend
on the quartz-crystal
oscillator.
Note:
FUNCTIONAL BLOCK OPERATIONS/ROM ORDERING METHOD
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