ST ST7735R - 13.3.4 8080-Series MCU Interface for 18-bit data bus (P68=0, IM2, IM1, IM0=111); 13.3.5 6800-Series MCU Interface for 8-bit data bus (P68=1, IM2, IM1, IM0=100); 13.3.6 6800-Series MCU Interface for 16-bit data bus (P68=1, IM2, IM1, IM0=101)

ST7735R
V0.2 162 2009-08-05
13.3.4 8080-Series MCU Interface for 18-bit data bus (P68=0, IM2, IM1, IM0=”111”)
80 Serial MPU 18-Bit Bus
MPU
ST7735R
SPI4W
IM2
IM1
IM0
RESX
CSX
D/CX (SCL)
WRX (R/WX)
D17 to D0
GND
RESX
CSX
WRX
D17 to D0
RDX (E)
RDX
D/CX
GND
VDDI
P68
13.3.5 6800-Series MCU Interface for 8-bit data bus (P68=1, IM2, IM1, IM0=”100”)
68 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
R/WX
D7 to D0
RDX (E)
E
D/CX
GND
VDDI
P68
VDDI
13.3.6 6800-Series MCU Interface for 16-bit data bus (P68=1, IM2, IM1, IM0=”101”)
68 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
RESX
CSX
R/WX
D15 to D0
RDX (E)
E
D/CX
GND
GND
VDDI
P68
VDDI