UPD16664 View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
Manufacturer
UPD16664 Datasheet PDF : 52 Pages
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µ PD16664
1. PIN NAME
Classification
Pin NameNote
I/O
Function
CPU interface
D0-D15
A0-A16
/CS
VCC2 /OE
/WE
/UBE
RDY
I/O Data bus: 16 bits
I Address bus: 17 bits
I Chip select
I Read signal
I Write signal
I Upper byte enable
O Ready signal to CPU (“H”: ready)
Control signals
PL0
PL1
DIR
DMODE
CMODE0,1
MS
I Specifies LSI layout position (No. 0 to 3)
I Specifies LSI layout position (No. 0 to 3)
I Specifies liquid crystal panel layout position
I Duty selection (“H” = 1/128 duty, “L” =1/160 duty)
I Number of column outputs selection
I Master/slave selection (“H”: master mode)
VCC2 BMODE
/REFRH
I Data bus bit selection (“H” = 8 bits, “L” = 16 bits)
I/O Self-diagnosis reset pin (wired-OR connection)
TEST
/RESET
I Test pin (“H” = test mode, with pull-down resistor)
I Reset signal
/DOFF
OSC1
I Display OFF input signal
– External resistor pin for oscillator
OSC2
– External resistor pin for oscillator
STB
I/O Column drive signal (MS pin “H” = output, MS pin “L” = input)
/FRM
VCC1 PULSE
L1
L2
I/O Frame signal (MS pin “H” = output, MS pin “L” = input)
I/O 25-level pulse modulation clock
I/O Row driver drive level select signal (first line)
I/O Row driver drive level select signal (second line)
/DOUT
O Display OFF output signal
Liquid crystal drive Y1-Y208
O Liquid crystal drive output
Power
GND
VCC1
VCC2
V0
V1
V2
– Ground (two pins for VCC1 system, three pins for VCC2 system)
– Power supply for liquid crystal drive and row driver interface
– Power supply for logic
– Liquid crystal drive analog power
– Liquid crystal drive analog power
– Liquid crystal drive analog power
Note VCC2 system pins : D0 to D15, A0 to A16, /CS, /OE, /WE, /UBE, RDY, BMODE, PL0, PL1, DIR,
OSC1, OSC2, /RESET, /DOFF, TEST, MS, CMODE0, CMODE1, DMODE
VCC1 system pins : STB, /FRM, L1, L2, /DOUT, PULSE
Remark /xxx indicates active low signals.
2
Data Sheet S13780EJ1V0DS00
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