參數(shù)資料
型號(hào): UPD17228MC
廠(chǎng)商: NEC Corp.
元件分類(lèi): 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): 31/84頁(yè)
文件大?。?/td> 393K
代理商: UPD17228MC
μ
PD17225, 17226, 17227, 17228
31
Data Sheet U12643EJ2V0DS00
Figure 5-1. Configuration of 8-bit Timer and Remote Controller Carrier Generator Circuit
Data buffer
Internal bus
TMEN
TMRES
TMCK1
TMCK0
Selector
RF : 33H
8-bit timer
Remote controller carrier generator circuit
f
X
/32
f
X
/64
f
X
/256
8-bit modulo register
TMM
Comparator
8-bit counter
TMC
IRQTM
7-bit counter
f
X
/2
Comparator
7-bit modulo register
NRZLTMM
7-bit counter
Comparator
7-bit modulo register
NRZHTMM
R
S
Q
NRZBF
NRZ
RF : 11H
RF : 12H
REM
fixed
0
bit 7
bit 7
×
SW
Remark
TMM, TMC, NRZLTMM, and NRZHTMM are peripheral registers.
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