UPD62A NEC, UPD62A Datasheet - Page 3

• Manufacturer Part Number: UPD62A
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
• Manufacturer: NEC

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 (RAM also used as RF)
• Key input (K
• Key I/O (K
• Key extended input (S
• Remote control transmission display output (LED): 1 (alternately functions as S
• 32 keys
• 48 keys (when extended by key extension input)
• 96 keys (when extended by key extension input and diode)
Ceramic oscillation
• f
8 s (f
f
9-bit programmable timer: 1 channel
Mask option
V
T
• 20-pin plastic SSOP (300 mils)
X
DD
A
/8, f
X
= –40 to +85 C
= 2.4 to 8 MHz
= 2.0 to 3.6 V
4 bits
X
10 bits
/16, f
X
= 8 MHz)
X
I/O
Data Sheet U14474EJ1V0DS00
/64, f
I
):
):
RAM
CPU
core
X
PD62A
/96, f
X
0
/128, f
, S
1
):
ROM
X
/192, no carrier (high level)
4
8
2
1002
One-time PROM
Internal
V
V
• 20-pin plastic SOP (300 mils)
• 20-pin plastic SSOP (300 mils)
DD
DD
= 2.2 to 3.6 V (f
= 2.7 to 3.6 V (f
Port K
System
control
Port K
Port S
10 bits
4
8
2
I/O
I
PD6P4B
X
X
4
8
2
= 2.4 to 4 MHz)
= 4 to 8 MHz)
K
K
S
RESET
X
X
V
GND
I0
I/O0
0
IN
OUT
DD
, S
-K
-K
I3
1
/LED
PD62A
I/O7
1
pin)
3