參數(shù)資料
型號: CY8C24794-SPLFX
廠商: Cypress Semiconductor Corp.
英文描述: Environmentally sealed limit switch with Leadwire termination, Rotary Roller Lever actuation, Double Pole Double Throw (DPDT) Circuitry, 5 A (Resistive) ampere rating at 28 Vdc, Military Part Number MS21320-1
中文描述: PSoCTM混合信號陣列
文件頁數(shù): 3/32頁
文件大?。?/td> 366K
代理商: CY8C24794-SPLFX
April 14, 2005
Document No. 38-12018 Rev. *F
3
CY8C24794 Final Data Sheet
PSoC Overview
Analog blocks are arranged in a column of three, which
includes one CT (Continuous Time) and two SC (Switched
Capacitor) blocks, as shown in the figure below.
Analog System Block Diagram
The Analog Multiplexer System
The Analog Mux Bus can connect to every GPIO pin in ports 0-
5. Pins can be connected to the bus individually or in any com-
bination. The bus also connects to the analog system for analy-
sis with comparators and analog-to-digital converters. It can be
split into two sections for simultaneous dual-channel process-
ing. An additional 8:1 analog input multiplexer provides a sec-
ond path to bring Port 0 pins to the analog array.
Switch control logic enables selected pins to precharge continu-
ously under hardware control. This enables capacitive mea-
surement for applications such as touch sensing. Other
multiplexer applications include:
Track pad, finger sensing.
Chip-wide mux that allows analog input from up to 48 IO
pins.
Crosspoint connection between any IO pin combinations.
Additional System Resources
System Resources, provide additional capability useful to com-
plete systems. Additional resources include a multiplier, deci-
mator, low voltage detection, and power on reset. Brief
statements describing the merits of each resource follow.
Full-Speed USB (12 Mbps) with 5 configurable endpoints and
256 bytes of RAM. No external components required except
two series resistors. Wider than commercial temperature
USB operation (-10°C to +85°C).
Digital clock dividers provide three customizable clock fre-
quencies for use in applications. The clocks can be routed to
both the digital and analog systems. Additional clocks can be
generated using digital PSoC blocks as clock dividers.
Two multiply accumulates (MACs) provide fast 8-bit multipli-
ers with 32-bit accumulate, to assist in both general math as
well as digital filters.
The decimator provides a custom hardware filter for digital
signal processing applications including the creation of Delta
Sigma ADCs.
The I2C module provides 100 and 400 kHz communication
over two wires. Slave, master, and multi-master modes are
all supported.
Low Voltage Detection (LVD) interrupts can signal the appli-
cation of falling voltage levels, while the advanced POR
(Power On Reset) circuit eliminates the need for a system
supervisor.
An internal 1.3V reference provides an absolute reference for
the analog system, including ADCs and DACs.
Versatile analog multiplexer system.
PSoC Device Characteristics
Depending on your PSoC device characteristics, the digital and
analog systems can have 16, 8, or 4 digital blocks and 12, 6, or
4 analog blocks. The following table lists the resources
available for specific PSoC device groups. The device covered
by this data sheet is shown in the highlighted row of the table.
ACB00
ACB01
Block
Array
Array Input
Configuration
ACI1[1:0]
ASD20
ACI0[1:0]
P0[6]
P0[4]
P0[2]
P0[0]
P2[2]
P2[0]
P2[6]
P2[4]
R
A
P0[7]
P0[5]
P0[3]
P0[1]
P2[3]
P2[1]
Reference
Generators
AGNDIn
RefIn
RefHi
RefLo
ASD11
ASC21
ASC10
Interface to
Digital System
M8C Interface (Address Bus, Data Bus, Etc.)
Analog Reference
All IO
(Except Port 7)
A
M
PSoC Device Characteristics
PSoC Part
Number
D
I
D
R
D
B
A
I
A
O
A
C
A
B
S
S
F
S
CY8C29x66
up to
64
4
16
12
4
4
12
2K
32K
CY8C27x43
up to
44
2
8
12
4
4
12
256
Bytes
16K
CY8C24794
50
1
4
48
2
2
6
1K
16K
CY8C24x23
up to
24
1
4
12
2
2
6
256
Bytes
4K
CY8C24x23A
up to
24
1
4
12
2
2
6
256
Bytes
4K
CY8C21x34
up to
28
1
4
28
0
2
4
a
a.
Limited analog functionality
.
512
Bytes
8K
CY8C21x23
16
1
4
8
0
2
4
a
256
Bytes
4K
相關(guān)PDF資料
PDF描述
CY8C24794-SPPVX Environmentally sealed limit switch with Leadwire termination, Rotary Roller Lever actuation, Double Pole Double Throw (DPDT) Circuitry, 5 A (Resistive) ampere rating at 28 Vdc, Military Part Number MS21320-2
CY8C24794-SPPX PSoCTM Mixed-Signal Array
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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