參數(shù)資料
型號(hào): UPD753017A
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(yè)數(shù): 31/88頁(yè)
文件大?。?/td> 438K
代理商: UPD753017A
3
μ
P
D
Figure 6-7. Timer/Event Counter Block Diagram (Channel 1)
PORT1.2
Input buffer
TI1/TI2/P12/INT2
Timer/event counter
output (channel 2)
From clock
generator
f
X
/2
5
f
X
/2
6
f
X
/2
8
f
X
/2
10
f
X
/2
12
MPX
TM16 TM15 TM14 TM13 TM12 TM11TM10
TM1
Decoder
16-bit timer/event counter mode
CP
Timer operation start
Selector
Clear
8
8
8
8
Modulo register (8)
Comparator (8)
Count register (8)
Timer/event counter match signal (channel 2)
(When 16-bit timer/event counter mode)
Timer/event counter comparator (channel 2)
(When 16-bit timer/event counter mode)
Timer/event counter reload signal (channel 2)
T1
TMOD1
Match
TOUT
F/F
Reset
T1
enable flag
P21
output latch
Port 2
input/output
mode
INTT1
IRQT1
set signal
IRQT1 clear signal
RESET
TOE1
PORT2.1
PMGB.2
P21/PTO1
Output buffer
Internal bus
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