參數(shù)資料
型號: 6P8A
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
中文描述: 馬鞍山集成電路4位單片機的紅外遙控傳輸
文件頁數(shù): 26/95頁
文件大?。?/td> 692K
代理商: 6P8A
26
μ
PD6P8, 6P8A, 6P8B
Data Sheet U17848EJ3V0DS
5. TIMER
5.1 Timer Configuration
The timer is the block used for creating a remote control transmission pattern. As shown in Figure 4-1, it consists
of a 9-bit down counter (t
8
to t
0
), a flag (t
9
) permitting the 1-bit timer output, and a zero detector.
Figure 5-1. Timer Configuration
S
1
/LED
REM
Carrier
synchronous
circuit
Carrier signal
Zero detector
9-bit down counter
t
9
t
8
t
7
t
6
t
5
t
4
t
3
t
2
t
1
t
0
T
T1
f
X
/64
Timer operation end signal
(HALT # 101B release
signal)
Count
clock
T0
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