參數(shù)資料
型號: UPD753036
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù): 43/88頁
文件大小: 373K
代理商: UPD753036
43
μ
PD753036, 753036(A)
Data Sheet U11353EJ4V0DS00
10. MASK OPTION
The
μ
PD753036 has the following mask options.
P40-P43, P50-P53 mask options
On-chip pull-up resistors can be connected.
(1) On-chip pull-up resistors are specifiable bit-wise.
(2) On-chip pull-up resistors are not specifiable.
V
LC0
-V
LC2
pin, BIAS pin mask option
On-chip dividing resistor for LCD drive can be connected.
(1) Dividing resistor is not connected.
(2) Four 10 k
(TYP.) dividing resistors are connected at the same time.
(3) Four 100 k
(TYP.) dividing resistors are connected at the same time.
Standby function mask option
Wait times can be selected by a RESET signal.
(1) 2
17
/f
X
(21.8ms : at f
X
= 6.0 MHz, 31.3ms : at f
X
= 4.19MHz)
(2) 2
15
/f
X
(5.46ms : at f
X
= 6.0 MHz, 7.81ms : at f
X
= 4.19MHz)
Subsystem clock mask option
Use of the internal feedback resistor can be selected.
(1) Internal feedback resistor can be used.
(Switched ON/OFF via software)
(2) Internal feedback resistor cannot be used.
(Switched out in hardware)
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