Cypress CY8C24123A Manual De Usuario
CY8C24123A
CY8C24223A, CY8C24423A
Document Number: 38-12028 Rev. *I
Page 8 of 56
Pinouts
This section describes, lists, and illustrates the CY8C24x23A PSoC device pins and pinout configurations. Every port pin (labeled
with a “P”) is capable of Digital IO. However, Vss, Vdd, SMP, and XRES are not capable of Digital IO.
with a “P”) is capable of Digital IO. However, Vss, Vdd, SMP, and XRES are not capable of Digital IO.
8-Pin Part Pinout
t
Table 3. Pin Definitions - 8-Pin PDIP and SOIC
Pin
No.
No.
Type
Pin
Name
Description
Figure 5. CY8C24123A 8-Pin PSoC Device
Digital Analog
1
IO
IO
P0[5]
Analog Column Mux Input and
Column Output
Column Output
2
IO
IO
P0[3]
Analog Column Mux Input and
Column Output
Column Output
3
IO
P1[1]
Crystal Input (XTALin), I2C Serial
Clock (SCL), ISSP-SCLK*
Clock (SCL), ISSP-SCLK*
4
Power
Vss
Ground Connection
5
IO
P1[0]
Crystal Output (XTALout), I2C Serial
Data (SDA), ISSP-SDATA*
Data (SDA), ISSP-SDATA*
6
IO
I
P0[2]
Analog Column Mux Input
7
IO
I
P0[4]
Analog Column Mux Input
8
Power
Vdd
Supply Voltage
LEGEND: A = Analog, I = Input, and O = Output.
* These are the ISSP pins, which are not High Z at POR (Power On Reset). See the PSoC Programmable Sytem-on-Chip Technical Reference Manual for details.
PDIP
SOIC
SOIC
1
2
3
4
2
3
4
8
7
6
5
7
6
5
Vdd
P0[4], A, I
P0[2], A, I
P1[0], XTALout, I2C SDA
P0[4], A, I
P0[2], A, I
P1[0], XTALout, I2C SDA
A, IO, P0[5]
A, IO, P0[3]
I2C SCL, XTALin, P1[1]
Vss