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UPD17217GT Datasheet(PDF) 30 Page - NEC

Part # UPD17217GT
Description  4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
PDF  84 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD17217GT Datasheet(HTML) 30 Page - NEC

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µPD17215, 17216, 17217, 17218
30
Fig. 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 /32
X
f /64
X
f /256
X
8-bit modulo register
TMM
Comparator
8-bit counter
TMC
IRQTM
7-bit counter
f /2
X
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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