Datasheet

ST7735
V1.7 164 2009-12-04
13.3 MicroProcessor Interface applications
8080-Seriers MCU + SPI Interface ( IM2=’1’)
13.3.1 8080-Series MCU Interface for 8-bit data bus (IM1, IM0=”00”)
13.3.2 8080-Series MCU Interface for 16-bit data bus (IM1, IM0=”01”)
Note:
IM2=’0’, SPI I/F
IM2=’1’, MCU I/F
Host
Driver IC
Fig. 13.3.2 8080 Series MCU Interface for 16-bit data bus
RESX
TE
SCL
SDA
D/CX
WRX
RDX
D7 to D1
D0
D15 to D8
D17 to D16
IM1,IM0
IM2
RESX
TE
D/CX (SCL)
WRX
RDX
D7 to D1
D0
“D15 to D8”
“0”
”01”
IM2
Note:
IM2=’0’, SPI I/F
IM2=’1’, MCU I/F
Host
Driver IC
RESX
TE
SCL
SDA
D/CX
WRX
RDX
D7 to D1
D0
D15 to D8
D17 to D16
IM1,IM0
IM2
Fig. 13.3.1 8080 Series MCU Interface for 8-bit data bus
RESX
TE
D/CX (SCL)
WRX
RDX
D7 to D1
D0
“0”
“0”
”00”
IM2