CY8C20646A-24LTXI Cypress Semiconductor Corp, CY8C20646A-24LTXI Datasheet - Page 9

• Manufacturer Part Number: CY8C20646A-24LTXI
• Description: MCU 16K FLASH 2K SRAM 48VQFN
• Manufacturer: Cypress Semiconductor Corp
• Series: CapSense® Controllersr

Specifications of CY8C20646A-24LTXI

• Program Memory Type: FLASH (16 kB)
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Applications: Capacitive Sensing
• Core Processor: M8C
• Controller Series: CY8C20xx6A
• Ram Size: 2K x 8
• Interface: I²C, SPI, USB
• Number Of I /o: 36
• Voltage - Supply: 1.71 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Processor Series: CY8C20x46A
• Core: M8C
• Data Ram Size: 2 KB
• Interface Type: I2C, SPI
• Maximum Clock Frequency: 400 KHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 1.71 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: CY3280-20X66
• Minimum Operating Temperature: - 40 C
• Program Memory Size: 16 KB
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Processing Unit: Microprocessor
• Operating Supply Voltage (min): 1.71V
• Operating Supply Voltage (typ): 1.8/2.5/3.3/5V
• Operating Supply Voltage (max): 5.5V
• Package Type: QFN EP
• Pin Count: 48
• Mounting: Surface Mount
• Rad Hardened: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 770-1000 - ISP 4PORT FOR CYPRESS PSOC MCU
• Lead Free Status / Rohs Status: Compliant

24-Pin QFN
Table 3. Pin Definitions - CY8C20336A, CY8C20346A
Document Number: 001-54459 Rev. **
Note
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CP
LEGEND A = Analog, I = Input, O = Output, OH = 5 mA High Output Drive, R = Regulated Output.
Pin
No.
3. The center pad (CP) on the QFN package must be connected to ground (Vss) for best mechanical, thermal, and electrical performance. If not connected to ground, it
must be electrically floated and not connected to any other signal.
Digital Analog
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOH
IOH
IOH
IOH
IOH
IOH
IOH
IOH
I/O
I/O
I/O
I/O
Power
Power
Power
Type
Input
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Name
P2[5]
P2[3]
P2[1]
P1[7]
P1[5]
P1[3]
P1[1]
NC
Vss
P1[0]
P1[2]
P1[4]
P1[6]
XRES
P2[0]
P0[0]
P0[2]
P0[4]
P0[6]
Vdd
P0[7]
P0[5]
P0[3]
P0[1]
Vss
Crystal output (XOut)
Crystal input (XIn)
I2C SCL, SPI SS
I2C SDA, SPI MISO
SPI CLK
ISSP CLK
MOSI
No connection
Ground connection
ISSP DATA
CLK
Optional external clock input
(EXTCLK)
Active high external reset with
internal pull down
Supply voltage
Integrating input
Integrating input
Center pad must be connected
to ground
Description
[1]
[1]
, I2C SCL, SPI
, I2C SDA, SPI
[2, 3]
Figure 3. CY8C20336A, CY8C20346A PSoC Device
AI, I2C SDA, SPI MISO, P1[5]
AI, I2C SCL, SPI SS, P1[7]
AI, SPI CLK, P1[3]
AI, XOut, P2[5]
AI, XIn, P2[3]
CY8C20X36A/46A/66A/96A
AI, P2[1]
1
4
2
3
5
6
(Top View)
QFN
18
13
17
16
15
14
P0[4], AI
P0[2], AI
P0[0], AI
P2[0], AI
P1[6], AI
XRES
Page 9 of 38
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