CY8C27643-24PVXI 查看數據表（PDF） - Cypress Semiconductor
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CY8C27643-24PVXI Datasheet PDF : 53 Pages
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CY8C27143, CY8C27243
CY8C27443, CY8C27543, CY8C27643
48-Pin Part Pinout
Table 7. 48-Pin Part Pinout (SSOP)
Type
Pin
No. Digital
Ana-
log
1
IO
I
2
IO
IO
3
IO
IO
4
IO
I
5
IO
6
IO
7
IO
I
8
IO
I
9
IO
10
IO
11
IO
12
IO
13
Power
14
IO
15
IO
16
IO
17
IO
18
IO
19
IO
20
IO
21
IO
22
IO
23
IO
24
Power
25
IO
26
IO
27
IO
28
IO
29
IO
30
IO
31
IO
32
IO
33
IO
34
IO
35
Input
36
IO
37
IO
38
IO
39
IO
40
IO
I
41
IO
I
42
IO
Pin
Name
Description
P0[7]
P0[5]
P0[3]
P0[1]
P2[7]
P2[5]
P2[3]
P2[1]
P4[7]
P4[5]
P4[3]
P4[1]
SMP
P3[7]
P3[5]
P3[3]
P3[1]
P5[3]
P5[1]
P1[7]
P1[5]
P1[3]
P1[1]
Vss
P1[0]
P1[2]
P1[4]
P1[6]
P5[0]
P5[2]
P3[0]
P3[2]
P3[4]
P3[6]
XRES
P4[0]
P4[2]
P4[4]
P4[6]
P2[0]
P2[2]
P2[4]
Analog column mux input.
Analog column mux input and column
output.
Analog column mux input and column
output.
Analog column mux input.
Direct switched capacitor block input.
Direct switched capacitor block input.
Switch Mode Pump (SMP) connection
to external components required.
I2C Serial Clock (SCL).
I2C Serial Data (SDA).
Crystal Input (XTALin), I2C Serial Clock
(SCL), ISSP-SCLK*.
Ground connection.
Crystal Output (XTALout), I2C Serial
Data (SDA), ISSP-SDATA.*
Optional External Clock Input
(EXTCLK).
Active high external reset with internal
pull down.
Direct switched capacitor block input.
Direct switched capacitor block input.
External Analog Ground (AGND).
Figure 7. CY8C27643 48-Pin PSoC Device
A, I,P0[7] 1
A,IO,P0[5] 2
A,IO,P0[3] 3
A, I,P0[1] 4
P2[7] 5
P2[5] 6
A, I,P2[3] 7
A, I,P2[1] 8
P4[7] 9
P4[5] 10
P4[3] 11
P4[1] 12
SMP 13
P3[7] 14
P3[5] 15
P3[3] 16
P3[1] 17
P5[3] 18
P5[1] 19
I2CSCL, P1[7] 20
I2CSDA, P1[5] 21
P1[3] 22
I2CSCL,XTALin,P1[1] 23
Vss 24
SSOP
48 Vdd
47 P0[6], A, I
46 P0[4], A, IO
45 P0[2], A, IO
44 P0[0], A, I
43 P2[6],ExternalVRef
42 P2[4],ExternalAGND
41 P2[2], A, I
40 P2[0], A, I
39 P4[6]
38 P4[4]
37 P4[2]
36 P4[0]
35 XRES
34 P3[6]
33 P3[4]
32 P3[2]
31 P3[0]
30 P5[2]
29 P5[0]
28 P1[6]
27 P1[4],EXTCLK
26 P1[2]
25 P1[0],XTALout,I2CSDA
Document Number: 38-12012 Rev. *M
Page 11 of 53
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