CY8C3246PVA-141 Cypress Semiconductor Corp, CY8C3246PVA-141 Datasheet - Page 58
CY8C3246PVA-141
Manufacturer Part Number
CY8C3246PVA-141
Description
IC MCU 8BIT 64KB FLASH 48SSOP
Manufacturer
Cypress Semiconductor Corp
Series
PSOC™ 3 CY8C32xxr
Datasheet
1.CY8C3244PVI-155.pdf
(119 pages)
Specifications of CY8C3246PVA-141
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, LIN, SPI, UART/USART
Peripherals
CapSense, DMA, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.71 V ~ 5.5 V
Data Converters
A/D 2x12b, D/A 1x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8.7 DAC
The CY8C32 parts contain a Digital to Analog Converter (DAC).
The DAC is 8-bit and can be configured for either voltage or
current output. The DAC supports CapSense, power supply
regulation, and waveform generation. The DAC has the following
features:
8.7.1 Current DAC
The current DAC (IDAC) can be configured for the ranges 0 to
32 µA, 0 to 256 µA, and 0 to 2.048 mA. The IDAC can be
configured to source or sink current.
Document Number: 001-56955 Rev. *J
Adjustable voltage or current output in 255 steps
Programmable step size (range selection)
Eight bits of calibration to correct ± 25 percent of gain error
Reference
Source
Scaler
Figure 8-8. DAC Block Diagram
8.7.2 Voltage DAC
For the voltage DAC (VDAC), the current DAC output is routed
through resistors. The two ranges available for the VDAC are 0
to 1.024 V and 0 to 4.096 V. In voltage mode any load connected
to the output of a DAC should be purely capacitive (the output of
the VDAC is not buffered).
Source and sink option for current output
8 Msps conversion rate for current output
1 Msps conversion rate for voltage output
Monotonic in nature
Data and strobe inputs can be provided by the CPU or DMA,
or routed directly from the DSI
Dedicated low-resistance output pin for high-current mode
I
I
source
1x , 8x , 64x
1x , 8x , 64x
sink
Range
Range
3R
R
PSoC
Vout
®
Iout
3: CY8C32 Family
Data Sheet
Page 58 of 119
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