UPD61P34BGS NEC, UPD61P34BGS Datasheet - Page 20

• Manufacturer Part Number: UPD61P34BGS
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
• Manufacturer: NEC

20
V
V
PP
DD
Program Memory Write Timing
Program Memory Read Timing
V
D
V
V
GND
GND
DD
CLK
MD
MD
MD
MD
0
PP
V
V
DD
V
-D
+1
DD
DD
PP
7
0
1
2
3
V
D
GND
GND
DD
CLK
MD
MD
MD
MD
0
V
V
V
-D
t
+1
RES
Hi-Z
DD
DD
PP
7
0
1
2
3
t
t
t
WAIT
t
PCR
t
RES
t
M3S
t
t
t
t
VPS
VDS
I
WAIT
t
t
M1S
DS
t
Data input
PCR
t
PW
Hi-Z
t
t
t
t
VPS
VDS
t
M3SR
M1H
DH
t
M1R
Hi-Z
t
t
DV
t
XL
Data Sheet U13595EJ2V0DS00
DV
Data output
"L"
t
XH
Data output
t
MOS
t
DF
Hi-Z
Data output
t
t
MAD
t
DAD
DS
Data input
t
OPW
t
DH
t
t
XH
AH
t
XL
t
M3HR
Hi-Z
t
AS
Data input
t
DFR
Hi-Z
PD61P34B
t
M3H
Hi-Z