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| CY7C1361C | |
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| CY7C1363C | |
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Pin Definitions (continued) |
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Name | I/O | Description | |||
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VSS | Ground | Ground for the core of the device. | |||
VSSQ | I/O Ground | Ground for the I/O circuitry. | |||
TDO | JTAG serial output | Serial | |||
| Synchronous | JTAG feature is not being utilized, this pin should be left unconnected. This pin is not | |||
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| available on TQFP packages. | |
TDI | JTAG serial input | Serial | |||
| Synchronous | feature is not being utilized, this pin can be left floating or connected to VDD through a pull | |||
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| up resistor. This pin is not available on TQFP packages. | |
TMS | JTAG serial input | Serial | |||
| Synchronous | feature is not being utilized, this pin can be disconnected or connected to VDD. This pin | |||
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| is not available on TQFP packages. | |
TCK | JTAG- | Clock input to the JTAG circuitry. If the JTAG feature is not being utilized, this pin must | |||
| Clock | be connected to VSS. This pin is not available on TQFP packages. | |||
NC | – | No Connects. Not internally connected to the die. 18M, 36M, 72M, 144M, 288M, 576M | |||
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| and 1G are address expansion pins and are not internally connected to the die. | |
VSS/DNU | Ground/DNU | This pin can be connected to Ground or should be left floating. |
Document #: | Page 8 of 31 |
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