參數(shù)資料
型號: UPD62AMC-XXX-5A4-A
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝: 0.300 INCH, PLASTIC, SSOP-20
文件頁數(shù): 11/62頁
文件大?。?/td> 272K
代理商: UPD62AMC-XXX-5A4-A
19
PD62A
Data Sheet U14474EJ2V0DS00
4. TIMER
4.1 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 (t8 to t0), a flag (t9) enabling 1-bit timer output, and a zero-detection circuit.
Figure 4-1. Timer Configuration
S1/LED
REM
Carrier
synchronous
circuit
Bit 2 of control register 0 (P3)
Carrier signal
Zero-detection circuit
9-bit down counter
t9
t8
t7
t6
t5
t4
t3
t2
t1
t0
T
T1
Bit 3 of control register 0 (P3)
fX/64
fX/128
Timer operation end signal
(HALT #
×101B release
signal)
Count
clock
T0
Selector
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