Datasheet

SH1107
58
3. Serial Interface (3-wire or 4-wire SPI): (External oscillator, External VPP, Max 16.5V)
VDD
VCL
VSS
VSL
AVDD
SW
FB
SENSE
VBREF
IM0
IM1
IM2
A0
D7 - D2
CL
CLS
VCOMH
VPP
IREF
+
VDD
C1
A0
C2
C3
External Vpp
R1
D1
D0
SI
SCL
+
+
External Clock
3-wire SPI:IM0 Fix to VDD
4-wire SPI:IM0 Fix to VSS
Not used in 3-wire SPI,fix
to VSS
No used,keep floating or fix
all to VSS or VDD
SH1107
RD
WR
RESRES
CSCS
Figure 18-3
Note:
C1---C3: 4.7μF
R1: Recommend 750KΩ (Refer to the table8 )