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May 24, 2005
Document No. 001-00353 Rev. **
9
CG64xxAM Preliminary Data Sheet
1. Pin Information
1.1.2
20-Pin Part Pinout
Table 1-2. 20-Pin Part Pinout (SSOP)
Pin
No.
Type
Name
Description
CG6457AM 20-Pin PSoC Device
Digital
Analog
1
IO
I
P0[7]
Analog column mux input.
2
IO
I
P0[5]
Analog column mux input.
3
IO
I
P0[3]
Analog column mux input.
4
IO
I
P0[1]
Analog column mux input.
5
Power
Vss
Ground connection.
6
IO
P1[7]
I2C Serial Clock (SCL).
7
IO
P1[5]
I2C Serial Data (SDA).
8
IO
P1[3]
9
IO
P1[1]
I2C Serial Clock (SCL), ISSP-SCLK.
10
Power
Vss
Ground connection.
11
IO
P1[0]
I2C Serial Data (SDA), ISSP-SDATA.
12
IO
P1[2]
13
IO
P1[4]
Optional External Clock Input (EXT-
CLK).
14
IO
P1[6]
15
Input
XRES
Active high external reset with internal
pull down.
16
IO
I
P0[0]
Analog column mux input.
17
IO
I
P0[2]
Analog column mux input.
18
IO
I
P0[4]
Analog column mux input.
19
IO
I
P0[6]
Analog column mux input.
20
Power
Vdd
Supply voltage.
LEGEND A = Analog, I = Input, and O = Output.
SSOP
Vdd
P0[6], A, I
P0[4], A, I
P0[2], A, I
P0[0], A, I
XRES
P1[6]
P1[4],EXTCLK
P1[2]
P1[0],I2C SDA
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
A, I, P0[7]
A, I, P0[5]
A, I, P0[3]
A, I, P0[1]
I2C SCL, P1[7]
I2C SDA, P1[5]
P1[3]
I2C SCL, P1[1]
Vss
Vss