UPD6133GS NEC [NEC], UPD6133GS Datasheet - Page 19
UPD6133GS
Manufacturer Part Number
UPD6133GS
Description
4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
Manufacturer
NEC [NEC]
Datasheet
1.UPD6133GS.pdf
(64 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD6133GS-403-E1
Manufacturer:
NEC
Quantity:
24 000
Company:
Part Number:
UPD6133GS-524
Manufacturer:
NEC
Quantity:
2 474
Company:
Part Number:
UPD6133GS-534-T1
Manufacturer:
NEC
Quantity:
6 000
Company:
Part Number:
UPD6133GS-540
Manufacturer:
SEK
Quantity:
563
Company:
Part Number:
UPD6133GS-564
Manufacturer:
NEC
Quantity:
612
S
4. TIMER
4.1 Timer Configuration
of a 9-bit down counter (t
1
/LED
REM
The timer is the block used for creating a remote control transmission pattern. As shown in Figure 4-1, it consists
Carrier
synchronous
circuit
8
to t
0
), a flag (t
t
9
Figure 4-1. Timer Configuration
9
) permitting the 1-bit timer output, and a zero detecting circuit.
t
8
Data Sheet U10454EJ6V0DS00
T1
t
7
Bit 2 of control register 0 (P3)
Zero detecting circuit
t
6
9-bit down counter
t
Carrier signal
5
T
t
4
T0
t
3
t
2
t
Timer operation end signal
(HALT # 101B release
1
signal)
t
0
Count
clock
Bit 3 of control register 0 (P3)
PD6133, 6134
f
f
X
X
/8
/16
19