UPD62 NEC [NEC], UPD62 Datasheet - Page 3
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UPD62
Manufacturer Part Number
UPD62
Description
4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
Manufacturer
NEC [NEC]
Datasheet
1.UPD62.pdf
(64 pages)
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BLOCK DIAGRAM
LIST OF FUNCTIONS
ROM capacity
RAM capacity
Stack
I/O pins
Number of keys
Clock frequency
Instruction execution time
Carrier frequency
Timer
POC circuit
Supply voltage
Operating ambient temperature
Package
S
1
/LED
REM
Item
CARRIER
GENERATOR
9-bit
TIMER
512
Mask ROM
32
1 level (multiplexed with RF of RAM)
• Key input (K
• Key I/O (K
• Key extended input (S
• Remote control transmission display output (LED) : 1 (multiplexed with S
• 32 keys
• 48 keys (when extended by key extension input)
• 96 keys (when extended by key extension input and diode)
Ceramic oscillation
• f
• f
8 s (f
f
9-bit programmable timer: 1 channel
Mask option
V
• T
• T
• 20-pin plastic SSOP (300 mil)
X
DD
/8, f
X
X
A
A
= 2.4 to 8 MHz
= 2.4 to 4 MHz
= 1.8 to 3.6 V
= –40 to +85 C
= –20 to +70 C (with POC circuit)
4 bits
X
10 bits
/16, f
X
= 8 MHz)
CPU
CORE
RAM
X
I/O
Data Sheet U14208EJ1V0DS00
/64, f
I
)
)
X
/96, f
PD62
ROM
X
0
/128, f
, S
1
)
X
/192, no carrier (high level)
4
8
2
SYSTEM
CONTROL
PORT K
PORT K
PORT S
1002
One-time PROM
Internal
V
V
• 20-pin plastic SOP (300 mil)
• 20-pin plastic SSOP (300 mil)
DD
DD
= 2.2 to 3.6 V (f
= 2.7 to 3.6 V (f
I/O
10 bits
I
: 4
: 8
: 2
4
8
2
PD6P4B
K
K
S
RESET
X
X
V
GND
X
X
I0
I/O0
0
IN
OUT
DD
, S
= 2.4 to 4 MHz)
= 4 to 8 MHz)
-K
-K
I3
1
/LED
I/O7
1
pin)
PD62
3