UPD16680P NEC [NEC], UPD16680P Datasheet - Page 28

• Manufacturer Part Number: UPD16680P
• Description: 1/53, 1/40 DUTY, LCD CONTROLLER/DRIVER WITH BUILT-IN RAM
• Manufacturer: NEC [NEC]

9.3 Address register
Caution If unspecified addresses have been set, operation is not assured.
10. RESETTING
When reset (command reset, hardware (terminal) reset), the contents of each register are as follows.
28
MSB
Display ON / OFF
Standby
Duty setting
D/A converter setting
Blink setting
Data R/W mode
Test mode
1
Selects the address type and specifies the address.
1
b5 b4
Register name
0
0
0
LSB
0
+
Choice1
00 : Dot address
01 : Pictograph group address
10 : Blink data group address
MSB
0
b7 b6 b5 b4 b3 b2 b1 b0
0
0
0
1
0
1
1
0
0
0
0
0
0
1
0
0
0
Register contents
0
0
0
0
0
1
1
b3 b2 b1 b0
Data Sheet S12694EJ2V0DS00
0
1
1
0
0
1
1
1
0
1
0
0
0
1
LSB
0
0
0
0
0
0
0
X address
Dot display group address : 00H to 0CH
Pictograph group address : 00H to 0CH
Blink group address : 00H to 0CH
+
0
0
0
0
0
0
0
MSB
0
0
0
0
0
0
0
0
LCD OFF (SEG
Normal operation
1/53 duty
To set 20H
Blink halt
Data write, the address is incremented(+1) starting
from current address.
Normal operation
0
b5 b4 b3 b2 b1 b0
n
, COM
LSB
Status
n
, PCOM = V
Y address
Dot display group address : 00H to 33H
Pictograph group address : 00H
Blink group address : 00H
SS
)
PD16680