Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK 数据表
产品代码
ATSAM4L-XSTK
1033
42023E–SAM–07/2013
ATSAM4L8/L4/L2
Dedicated Low Power Waveform, Contrast Control, Extended Interrupt Mode, ASCII Character
Mapping, automated modes... are defined to offload the CPU, reduce interrupts and reduce
power consumption.
Mapping, automated modes... are defined to offload the CPU, reduce interrupts and reduce
power consumption.
To reduce hardware design complexity, the module includes integrated LCD buffers, an inte-
grated power supply voltage.
grated power supply voltage.
39.3
Block Diagram
Figure 39-2. LCDCA Block Diagram
39.4
I/O Lines Description
39.5
Product Dependencies
In order to use this module, other parts of the system must be configured correctly, as described
below.
below.
LCDCA
Analog
Switch
Array
Shadow
Display
Memory
Display
Memory
Timing
LCD Power
Supply
Automated
Modes
APB Interface
SEGx
COMy
VLCD
BIASH
BIASL
CAPL
CAPH
IRQ
BPM
CLK32
Table 39-1.
I/O Lines Description
Pin Name
Pin Description
Type
SEGx
Segment terminal x
Analog
COMy
Common terminal y
Analog
VLCD
Bias voltage
Analog
BIAS1
Bias voltage (= 1/3 V
LCD
)
Analog
BIAS2
Bias voltage (= 2/3 V
LCD
)
Analog
CAPL
High voltage end of flying capacitor
Analog
CAPH
Low voltage end of flying capacitor
Analog