CY8C3246 Datasheet PDF - Cypress Semiconductor
| Part Number | CY8C3246 | |
| Description | Programmable System-on-Chip | |
| Manufacturers | Cypress Semiconductor | |
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PSoC® 3: CY8C32 Family
Data Sheet
Programmable System-on-Chip (PSoC®)
General Description
With its unique array of configurable blocks, PSoC® 3 is a true ystem level solution providing microcontroller unit (MCU), memory,
analog, and digital peripheral functions in a single chip. The CY8C32 family offers a modern method of signal acquisition, signal
processing, and control with high accuracy, high bandwidth, and high flexibility. Analog capability spans the range from thermocouples
(near DC voltages) to ultrasonic signals. The CY8C32 family can handle dozens of data acquisition channels and analog inputs on
every general-purpose input/output (GPIO) pin. The CY8C32 family is also a high-performance configurable digital system with some
part numbers including interfaces such as USB, and multimaster inter-integrated circuit (I2C). In addition to communication interfaces,
the CY8C32 family has an easy to configure logic array, flexible routing to all I/O pins, and a high-performance single cycle 8051
microprocessor core. You can easily create system-level designs using a rich library of prebuilt components and boolean primitives
using PSoC Creator™, a hierarchical schematic design entry tool. The CY8C32 family provides unparalleled opportunities for analog
and digital bill of materials integration while easily accommodating last minute design changes through simple firmware updates.
Features
Single cycle 8051 CPU core
Full-speed (FS) USB 2.0 12 Mbps using internal oscillator[2]
DC to 50 MHz operation
Up to four 16-bit configurable timer, counter, and PWM blocks
Multiply and divide instructions
Flash program memory, up to 64 KB, 100,000 write cycles,
20 years retention, and multiple security features
Up to 8-KB flash error correcting code (ECC) or configuration
storage
Up to 8 KB SRAM
Up to 2 KB electrically erasable programmable read-only
memory (EEPROM), 1 M cycles, and 20 years retention
2A4H-Bch[1a] nbnuesl
direct memory
access
access
(DMA)
with
multilayer
• Programmable chained descriptors and priorities
• High bandwidth 32-bit transfer support
Low voltage, ultra low-power
Wide operating voltage range: 0.5 V to 5.5 V
High efficiency boost regulator from 0.5-V through 1.8-V to
5.0-V output
0.8 mA at 3 MHz, 1.2 mA at 6 MHz, and 6.6 mA at 50 MHz
Low-power modes including:
• 1-µA sleep mode with real-time clock (RTC) and
low-voltage detect (LVD) interrupt
Library of standard peripherals
• 8-, 16-, 24-, and 32-bit timers, counters, and PWMs
• Serial peripheral interface (SPI), universal asynchronous
transmitter receiver (UART), and I2C
• Many others available in catalog
Library of advanced peripherals
• Cyclic redundancy check (CRC)
• Pseudo random sequence (PRS) generator
• Local interconnect network (LIN) bus 2.0
• Quadrature decoder
Analog peripherals (1.71 V ≤ VDDA ≤ 5.5 V)
1.024 V ±0.9-percent internal voltage reference across –40°C
to +85°C (14 ppm/°C)
Configurable delta-sigma ADC with 8- to12-bit resolution
• Programmable gain stage: ×0.25 to ×16
• 12-bit mode, 192-ksps, 66-dB signal to noise and distortion
ratio (SINAD), ±1-bit INL/DNL
One 8-bit, 8-Msps IDAC or 1-Msps VDAC
Two comparators with 95 ns response time
CapSense support
• 200-nA hibernate mode with RAM retention
Programming, debug, and trace
Versatile I/O system
28 to 72 I/O (62
two USBIOs[2])
GPIOs,
eight
special
input/outputs
(SIO),
JTAG (4-wire), serial wire debug (SWD) (2-wire), and single
wire viewer (SWV) interfaces
Eight address and one data breakpoint
Any GPIO to any digital or analog peripheral routability
LCD direct drive from any GPIO, up to 46×16 segments[2]
CapSense® support from any GPIO[3]
1.2-V to 5.5-V I/O interface voltages, up to four domains
Maskable, independent IRQ on any pin or port
Schmitt-trigger transistor-transistor logic (TTL) inputs
All GPIO configurable as open drain high/low,
pull-up/pull-down, High Z, or strong output
Configurable GPIO pin state at power-on reset (POR)
25 mA sink on SIO
Digital peripherals
16 to 24 programmable PLD based universal digital
blocks (UDB)
4-KB instruction trace buffer
Bootloader programming supportable through I2C, SPI,
UART, USB, and other interfaces
Precision, programmable clocking
3- to 24-MHz internal oscillator over full temperature and
voltage range
4- to 25-MHz crystal oscillator for crystal PPM accuracy
Internal PLL clock generation up to 50 MHz
32.768-kHz watch crystal oscillator
Low-power internal oscillator at 1, 33, and 100 kHz
Temperature and packaging
–40°C to +85°C degrees industrial temperature
48-pin SSOP, 48-pin QFN, 68-pin QFN, and 100-pin TQFP
package options
Notes
1. AHB – AMBA (advanced microcontroller bus architecture) high-performance bus, an ARM data transfer bus
2. This feature on select devices only. See Ordering Information on page 108 for details.
3. GPIOs with opamp outputs are not recommended for use with CapSense.
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-56955 Rev. *K
• San Jose, CA 95134-1709 • 408-943-2600
Revised May 20, 2011
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PSoC® 3: CY8C32 Family
Data Sheet
This enables the device to be powered directly from a single
battery or solar cell. In addition, you can use the boost converter
to generate other voltages required by the device, such as a
3.3-V supply for LCD glass drive. The boost’s output is available
on the VBOOST pin, allowing other devices in the application to
be powered from the PSoC.
PSoC supports a wide range of low-power modes. These include
a 200-nA hibernate mode with RAM retention and a 1-µA sleep
mode with RTC. In the second mode the optional 32.768-kHz
watch crystal runs continuously and maintains an accurate RTC.
Power to all major functional blocks, including the programmable
digital and analog peripherals, can be controlled independently
by firmware. This allows low-power background processing
when some peripherals are not in use. This, in turn, provides a
total device current of only 1.2 mA when the CPU is running at
6 MHz, or 0.8 mA running at 3 MHz.
The details of the PSoC power modes are covered in the “Power
System” section on page 29 of this datasheet.
PSoC uses JTAG (4-wire) or SWD (2-wire) interfaces for
programming, debug, and test. The 1-wire SWV may also be
used for “printf” style debugging. By combining SWD and SWV,
you can implement a full debugging interface with just three pins.
Using these standard interfaces enables you to debug or
program the PSoC with a variety of hardware solutions from
Cypress or third party vendors. PSoC supports on-chip break
points and 4-KB instruction and data race memory for debug.
Details of the programming, test, and debugging interfaces are
discussed in the “Programming, Debug Interfaces, Resources”
section on page 59 of this datasheet.
2. Pinouts
The Vddio pin that supplies a particular set of pins is indicated
by the black lines drawn on the pinout diagrams in Figure 2-1
through Figure 2-4. Using the Vddio pins, a single PSoC can
support multiple interface voltage levels, eliminating the need for
off-chip level shifters. Each Vddio may sink up to 100 mA total to
its associated I/O pins. On the 68 pin and 100 pin devices each
set of Vddio associated pins may sink up to 100 mA. The 48-pin
device may sink up to 100 mA total for all Vddio0 plus Vddio2
associated I/O pins and 100 mA total for all Vddio1 plus Vddio3
associated I/O pins.
Figure 2-1. 48-pin SSOP Part Pinout
(SIO) P12[2]
(SIO) P12[3]
(GPIO) P0[0]
(GPIO) P0[1]
(GPIO) P0[2]
(Extref0, GPIO) P0[3]
Vddio0
(GPIO) P0[4]
(GPIO) P0[5]
(IDAC0, GPIO) P0[6]
(GPIO) P0[7]
Vccd
Vssd
Vddd
(GPIO) P2[3]
(GPIO) P2[4]
Vddio2
(GPIO) P2[5]
(GPIO) P2[6]
(GPIO) P2[7]
Vssb
Ind
Vboost
Vbat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Lines show
Vddio to I/O
supply
association
SSOP
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
Vdda
Vssa
Vcca
P15[3] (GPIO, kHz XTAL: Xi)
P15[2] (GPIO, kHz XTAL: Xo)
P12[1] (SIO, I2C1: SDA)
P12[0] (SIO, I2C1: SCL)
Vddio3
P15[1] (GPIO, MHz XTAL: Xi)
P15[0] (GPIO, MHz XTAL: Xo)
Vccd
Vssd
Vddd
[6]
P15[7]
P15[6]
(USBIO,
(USBIO,
D-, SWDCK)
D+, SWDIO)
[6]
P1[7] (GPIO)
P1[6] (GPIO)
Vddio1
P1[5] (GPIO, nTRST)
P1[4] (GPIO, TDI)
P1[3] (GPIO, TDO, SWV)
P1[2] (GPIO, configurable XRES)
P1[1] (GPIO, TCK, SWDCK)
P1[0] (GPIO, TMS, SWDIO)
Note
6. Pins are Do Not Use (DNU) on devices without USB. The pin must be left floating.
Document Number: 001-56955 Rev. *K
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