UPD6121G-002 NEC, UPD6121G-002 Datasheet - Page 3

• Manufacturer Part Number: UPD6121G-002
• Description: REMOTE CONTROL TRANSMISSION CMOS IC
• Manufacturer: NEC

BLOCK DIAGRAM
DIFFERENCES BETWEEN PRODUCTS
Item
Operating voltage
Current consumption
(at standby)
Custom codes
Data codes
No. of KI pins
No. of KI/O pins
SEL pin
Transmission format
Package
Note
CCS
SEL
Part number
PD6121: KI
PD6122: KI
Key input circuit
OSCO
KI
Frequency divider
Timing generator
0
0
0
- KI
- KI
– KI
Oscillator
20-pin plastic SOP (375 mil)
n
3
7
Note
OSCI
PD6121
32 x 2
4
KI/O
0
NEC transmission format
KI/O
65,536 (16-bit setting)
V
DD
V
1
DD
1 A MAX.
= 2.0 to 3.3 V
Provided
KI/O
8
Key input/output circuit
2
24-pin plastic SOP (375 mil)
KI/O
Data register
3
Controller
KI/O
Output circuit
PD6122
64 x 2
4
8
LMP
KI/O
5
KI/O
6
PD6121, 6122
KI/O
7
REM
V
SS
3
*