µPD6121, 6122
BLOCK DIAGRAM
*
OSCO
OSCI
VDD
LMP
REM
Output circuit
Oscillator
Controller
Frequency divider
Timing generator
SEL
Data register
VSS
CCS
Key input circuit
Key input/output circuit
Note
KI0 – KIn
KI/O2
KI/O0
KI/O1
KI/O3
KI/O4
KI/O5
KI/O6
KI/O7
Note µPD6121: KI0 - KI3
µPD6122: KI0 - KI7
DIFFERENCES BETWEEN PRODUCTS
Part number
µPD6121
µPD6122
Item
Operating voltage
Current consumption
(at standby)
VDD = 2.0 to 3.3 V
1 µA MAX.
Custom codes
65,536 (16-bit setting)
Data codes
32 x 2
4
64 x 2
8
No. of KI pins
No. of KI/O pins
SEL pin
8
Provided
Transmission format
Package
NEC transmission format
20-pin plastic SOP (375 mil)
24-pin plastic SOP (375 mil)
3
NEC [ NEC ]
