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  NEC Electronic Components Datasheet  

D6P8A Datasheet

UPD6P8A

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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD6P8, 6P8A, 6P8B
4-BIT SINGLE-CHIP MICROCONTROLLER
FOR INFRARED REMOTE CONTROL TRANSMISSION
DESCRIPTION
The µPD6P8, 6P8A, 6P8B are microcontrollers for infrared remote control transmitters and are provided with
a one-time PROM as the program memory.
Because users can write programs for the µPD6P8, 6P8A, 6P8B, They are ideal for program evaluation and small-
scale production of application systems that use the µPD67A, 67B, 68A, 68B.
When reading this document, also refer to the following documents.
µPD67, 67A, 68, 68A, 69 Data Sheet: U14935E
µPD67B, 68B Data Sheet:
U16792E
FEATURES
• Program memory (one-time PROM):
2026 × 10 bits
• Data memory (RAM):
32 × 4 bits
• On-chip carrier generator for infrared remote control: The high-level and low-level width can be set separately
from 250 ns to 64 µs (@ fX = 4 MHz operation) via modulo
registers
• 9-bit programmable timer:
1 channel
• Instruction execution time:
16 µs (@ fX = 4 MHz)
• Stack level:
1 level (stack RAM is for data memory RF as well)
• I/O pins (KI/O):
8 units
• Input pins (KI):
4 units
www.DataSheet4U.coSmense input pins (S0, S2):
• S1/LED pin (I/O):
2 units
1 unit (when in output mode, this is the remote control
transmission display pin)
• Power supply voltage:
VDD = 1.9 to 3.6 V
• Operating ambient temperature:
TA = –40 to +85°C
• Oscillator frequency:
fX = 3.5 to 4.5 MHz
• On-chip POC circuit and RAM retention detector
• On-chip oscillator (µPD6P8B)
APPLICATIONS
Infrared remote control transmitters (for AV and household electric appliances)
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. U17848EJ3V0DS00 (3rd edition)
Date Published December 2007 N
Printed in Japan
The mark <R> shows major revised points.
2006


  NEC Electronic Components Datasheet  

D6P8A Datasheet

UPD6P8A

No Preview Available !

µPD6P8, 6P8A, 6P8B
ORDERING INFORMATION
Part Number
Package
µPD6P8MC-5A4-A
20-pin plastic SSOP (7.62 mm (300))
<R>
µPD6P8AMC-5A4-A
20-pin plastic SSOP (7.62 mm (300))
µPD6P8BMC-5A4-ANote 20-pin plastic SSOP (7.62 mm (300))
Note Under development
Remark Products that have the part numbers suffixed by “-A” are lead-free products.
µPD6P8 PIN CONFIGURATION (TOP VIEW)
20-pin plastic SSOP (7.62 mm (300))
(1) Normal operation mode
KI/O6
KI/O7
S0
S1/LED
REM
VDD
XOUT
XIN
GND
S2
1
2
3
4
5
6
7
8
9
10
20 KI/O5
19 KI/O4
18 KI/O3
17 KI/O2
16 KI/O1
15 KI/O0
14 KI3
13 KI2
12 KI1
11 KI0
www.DataSheet4U.com
(2) PROM programming mode
D6
D7
CLK
(L)
VDD
XOUT
XIN
GND
VPP
1
2
3
4
5
6
7
8
9
10
20 D5
19 D4
18 D3
17 D2
16 D1
15 D0
14 MD3
13 MD2
12 MD1
11 MD0
Caution The item in parentheses indicates the processing of pins not used in the PROM programming
mode.
L: Connect each of these pins to GND via a pull-down resistor.
2 Data Sheet U17848EJ3V0DS


Part Number D6P8A
Description UPD6P8A
Maker NEC
Total Page 30 Pages
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