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CY8C42323/CY8C42423
PRELIMINARY
CY8C42123/CY8C42223
Document 38-12034 Rev. *C
Page 10 of 42
6.1.3
16-Pin TSSOP Part Pinouts
The 16-pin TSSOP part is for the CY8C42323 PSoC device.
16-Pin Part Pinout (TSSOP)
Pin
No.
Name
Description
CY8C42323 PSoC Device
1
HVO
HVO
GD1
High Side Gate Driver 1
2
HVO
HVI
VS1
High Voltage Sense 1, High Voltage Out-
put 1
3
IO
I
P0[7]
I2C Clock
4
IO
I
P0[5]
I2C Data
5
IO
I
P0[3]
6
IO
I
P0[1]
7
IO
I
P1[1]
I2C Clock*
8
Power
Vss
Ground Connection
9
IO
I
P1[0]
I2C Data*
10
IO
I
P0[0]
11
IO
I
P0[2]
Optional External CLK Input (EXTCLK)
12
IO
I
P0[4]
13
IO
I
P0[6]
Optional External Voltage Reference
(EXTREF)
14
HVO
HVI
VS0
High Voltage Sense 0, High Voltage Out-
put 0
15
HVO
HVO
GD0
High Side Gate Driver 0
16
Power
HVdd
Supply Voltage
LEGEND I = Input 5V Only, O = Output 5V Only, HV = High Voltage.
* These are the ISSP pins, which are not HighZ at POR (Power On Reset). See the Power PSoC Mixed-Signal Array Technical Reference Manual for details.
TSSOP
HV
dd
GD0
VS0, HVO[0]
P0[6], EXTREF
P0[4]
P0[2], EXTCLK
P0[0]
P1[0] I2C*
16
15
14
13
12
11
1
2
3
4
5
6
7
8
GD1
HVO[1], VS1
SCL, P0[7]
SDA, P0[5]
P0[3]
I2C* P1[1]
Vss
10
9
P0[1]