HD66789 Datasheet, PDF (152/156 Pages) Renesas Technology Corp – 528-channel, One-chip Driver for Amorphous TFT Panels with 262,144-color display RAM, Power Supply Circuit, and Gate Circuit

HD66789
Load circuits for measuring AC characteristics
Preliminary
T.B.D. AC characteristic measuring load circuit
Data bus : DB17-DB0, PD17-0
LCD driver output characteristic measuring load circuit
LCD output : S1- S528
Test Point
Test Point
50pF
Lord
Resistance R
10kΩ
Lord
Capacity C
20pF
80-system Bus Operation
VIH
RS
VIL
tAS
VIH
VIL
tAH
CS*
WR*
T.B.D. VIL
Note 1)
PWLW, PWLR
VIH
PWHW, PWHR
VIH
VIH
VIL
VIL
RD*
tWRr
tWRf
tCYCW, tCYCR
DB0
to DB15
tDSW
tHWR
VIH
VIL
tDDR
Wrire data
VIH
VIL
tDHR
DB0
to DB15
VOH1
VOL1 ^{Read data}
VOH1
VOL1
Note 1) PWLW and PWLR is specified in the overlapped period when CS* is low and WR* or RD* is low.
Note 2) Parallel data transfer is enabled on the DB15-8 pins when the 8-bit bus interface is used. Fix the
DB7-0 pins to Vcc or GND.
Rev.0.12, May 09 2003, page 152 of 156