CY7C6431x
CY7C64345, CY7C6435x
48-Pin Part Pinout
Figure 3. CY7C64355/CY7C64356 48-Pin enCoRe V USB Device
NC
P2[7]
P2[5]
P2[3]
P2[1]
P4[3]
P4[1]
P3[7]
P3[5]
P3[3]
P3[1]
P1[7]
P0[1]
148
2
3
4
5
6
7
8
9
10
11
1213 P1[5]
47 Vss
NC 14
46 P0[3]
NC 15
P0[5] | P0[7] | NC NC Vdd | P0[6] | P0[4] | P0[2] | ||||||||||
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45 |
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| 43 | 42 41 |
| 40 |
| 39 |
| 38 |
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QFN
(Top View)
16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | ||||||||||
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P1[3] | P1[1] | Vss | D+ | D- | Vdd | P1[0] | P1[2] | ||||||||||
37 P0[0]
P1[4] 24
36
35
34
33
32
31
30
29
28
27
26
25
P2[6]
P2[4]
P2[2]
P2[0]
P4[2]
P4[0]
P3[6]
P3[4]
P3[2]
P3[0]
XRES P1[6]
Table 3. 48-Pin Part Pinout (QFN)
Pin No. | Type | Pin Name | Description |
1 | NC | NC | No connection |
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2 | I/O | P2[7] | Digital I/O |
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3 | I/O | P2[5] | Digital I/O, Crystal Out (Xout) |
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4 | I/O | P2[3] | Digital I/O, Crystal In (Xin) |
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5 | I/O | P2[1] | Digital I/O |
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6 | I/O | P4[3] | Digital I/O |
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7 | I/O | P4[1] | Digital I/O |
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8 | I/O | P3[7] | Digital I/O |
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9 | I/O | P3[5] | Digital I/O |
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10 | I/O | P3[3] | Digital I/O |
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11 | I/O | P3[1] | Digital I/O |
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12 | IOHR | P1[7] | Digital I/O, I2C SCL, SPI SS |
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13 | IOHR | P1[5] | Digital I/O, I2C SDA, SPI MISO |
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14 | NC | NC | No connection |
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15 | NC | NC | No connection |
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16 | IOHR | P1[3] | Digital I/O, SPI CLK |
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17 | IOHR | P1[1](1, 2) | Digital I/O, ISSP CLK, I2C SCL, SPI MOSI |
18 | Power | Vss | Supply ground |
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19 | I/O | D+ | USB |
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20 | I/O | D– | USB |
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21 | Power | Vdd | Supply voltage |
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22 | IOHR | P1[0](1, 2) | Digital I/O, ISSP DATA, I2C SDA, SPI CLK |
23 | IOHR | P1[2] | Digital I/O, |
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24 | IOHR | P1[4] | Digital I/O, optional external clock input (EXTCLK) |
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25 | IOHR | P1[6] | Digital I/O |
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Document Number: | Page 8 of 28 | ||
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