Cypress CY8C22213 Manual Do Utilizador
June 3, 2004
Document No. 38-12009 Rev. *E
3
CY8C22x13 Final Data Sheet
PSoC™ Overview
Analog blocks are provided in columns of three, which includes
one CT (Continuous Time) and two SC (Switched Capacitor)
blocks. The number of blocks is dependant on the device family
which is detailed in the table titled
one CT (Continuous Time) and two SC (Switched Capacitor)
blocks. The number of blocks is dependant on the device family
which is detailed in the table titled
Analog System Block Diagram
Additional System Resources
System Resources, some of which have been previously listed,
provide additional capability useful to complete systems. Addi-
tional resources include a decimator, low voltage detection, and
power on reset. Brief statements describing the merits of each
system resource are presented below.
provide additional capability useful to complete systems. Addi-
tional resources include a decimator, low voltage detection, and
power on reset. Brief statements describing the merits of each
system resource are presented below.
■
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.
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.
■
The decimator provides a custom hardware filter for digital
signal processing applications including the creation of Delta
Sigma ADCs.
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.
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.
cation of falling voltage levels, while the advanced POR
(Power On Reset) circuit eliminates the need for a system
supervisor.
■
An internal 1.3 voltage reference provides an absolute refer-
ence for the analog system, including ADCs and DACs.
ence for the analog system, including ADCs and DACs.
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
3 analog blocks. The following table lists the resources
available for specific PSoC device groups.
analog systems can have 16, 8, or 4 digital blocks and 12, 6, or
3 analog blocks. The following table lists the resources
available for specific PSoC device groups.
ACB01
Block Array
Array Input Configuration
ACI1[1:0]
ACI0[1:0]
P0[6]
P0[4]
P0[2]
P0[0]
P0[7]
P0[5]
P0[3]
P0[1]
Reference
Generators
AGNDIn
RefIn
Bandgap
RefIn
Bandgap
RefHi
RefLo
AGND
ASD11
ASC21
Interface to
Digital System
M8C Interface (Address Bus, Data Bus, Etc.)
Analog Reference
PSoC Device Characteristics
PSoC Part
Number
Dig
it
a
l
IO
Dig
it
a
l
Ro
ws
Dig
it
a
l
B
lo
cks
An
a
lo
g
In
put
s
An
a
lo
g
Ou
tp
u
ts
An
a
lo
g
Co
lu
m
n
s
An
a
lo
g
B
lo
cks
CY8C29x66
up to
64
4
16
12
4
4
12
CY8C27x66
up to
44
2
8
12
4
4
12
CY8C27x43
up to
44
2
8
12
4
4
12
CY8C24x23
up to
24
1
4
12
2
2
6
CY8C22x13
up to
16
1
4
8
1
1
3