ST ST7735R - 13.3 Microprocessor Interface applications; 13.3.1 8080-Series MCU Interface for 8-bit data bus (P68=0, IM2, IM1, IM0=100); 13.3.2 8080-Series MCU Interface for 16-bit data bus (P68=0, IM2, IM1, IM0=101); 13.3.3 8080-Series MCU Interface for 9-bit data bus (P68=0, IM2, IM1, IM0=110)

ST7735R
V0.2 161 2009-08-05
13.3 Microprocessor Interface applications
13.3.1 8080-Series MCU Interface for 8-bit data bus (P68=0, IM2, IM1, IM0=”100”)
80 Serial MPU 8-Bit Bus
MPU
ST7735R
SPI4W
IM2
IM1
IM0
RESX
CSX
D/CX (SCL)
WRX (R/WX)
D7 to D0
D17 to D8
GND
RESX
CSX
WRX
D7 to D0
RDX (E)
RDX
D/CX
GND
VDDI
P68
13.3.2 8080-Series MCU Interface for 16-bit data bus (P68=0, IM2, IM1, IM0=”101”)
80 Serial MPU 16-Bit Bus
MPU
ST7735R
SPI4W
IM2
IM1
IM0
RESX
CSX
D/CX (SCL)
WRX (R/WX)
D15 to D0
D17 to D16
GND
RESX
CSX
WRX
D15 to D0
RDX (E)
RDX
D/CX
GND
VDDI
P68
13.3.3 8080-Series MCU Interface for 9-bit data bus (P68=0, IM2, IM1, IM0=”110”)
80 Serial MPU 9-Bit Bus
MPU
ST7735R
SPI4W
IM2
IM1
IM0
RESX
CSX
D/CX (SCL)
WRX (R/WX)
D9 to D0
D17 to D9
VDDI
GND
RESX
CSX
WRX
D8 to D0
RDX (E)
RDX
D/CX
GND
P68