R63311 Specification
Rev.1.01
Renesas SP Confidential
20
Table 10 VSN External Application Control Pin (Amplitude: VSP – AGND)
Signal I/O Connect to Function Connection
when signal
is unused
EXPWRN I VSP or AGND
A pin to determine whether voltage is externally applied to VSN.
High: Voltage is externally applied to them.
Low: Voltage is not externally applied to them. (The RSP LCD driver
operates by internal power supply)
AGND
Table 11 Power Supply Circuit Pins
Signal I/O Connect to Function Connection
when signal
is unused
VDD O Stabilizing
capacitor
A pin to output voltage from internal logic power supply regulator.
Connect to stabilizing capacitor.
Stabilizing
capacitor
VDDLP O Stabilizing
capacitor
internal LDO output (1.2V typical).
Used as power supply for the MIPI low power receiver.
Stabilizing
capacitor
VSP O Stabilizing
capacitor
A pin to output positive step-up voltage for the source driver and the
gamma circuit.
Stabilizing
capacitor
SVDD O Stabilizing
capacitor
Internal LDO output.
Used as the analog power supply instead of VSP.
Stabilizing
capacitor
VSWP O N-channel
MOSFET
A pin to output on/off control signal of external N-channel MOSFET
when VSP is generated by a switching regulator method (VCI-GND
amplitude). For details, see “Power Supply Generating Circuit.
When using external VSP supply, VSWP is fixed to GND.
Open
VSN O Stabilizing
capacitor
A pin to output negative step-up voltage for the source driver and
the gamma circuit.
Stabilizing
capacitor
SVSS O Stabilizing
capacitor
Internal LDO output.
Used as the analog power supply instead of VSN.
Stabilizing
capacitor
VSWN O P-channel
MOSFET
A pin to output on/off control signal of external P-channel MOSFET
when VSN is generated by a switching regulator method (VCI-GND
amplitude). For details, see “Power Supply Generating Circuit.
When using external VSN supply, VSWN is fixed to VSP.
Open
VGH O Stabilizing
capacitor
Output voltage from step-up circuit 2. Stabilizing
capacitor
GVDD O Liquid
crystal
panel,
Stabilizing
capacitor
Internal regulator output for liquid crystal driving power supply.
A pin to output positive voltage for the liquid crystal panel.
Stabilizing
capacitor
VGL O Stabilizing
capacitor
Output voltage from step-up circuit 2. Stabilizing
capacitor
GVSS O Liquid
crystal
panel,
Stabilizing
capacitor
Internal regulator output for liquid crystal driving power supply.
A pin to output negative voltage for the liquid crystal panel.
Stabilizing
capacitor