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89HPES34H16G2 Datasheet(PDF) 7 Page - Integrated Device Technology |
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89HPES34H16G2 Datasheet(HTML) 7 Page - Integrated Device Technology |
7 / 54 page 7 of 54 November 28, 2011 IDT 89HPES34H16G2 Data Sheet Signal Type Name/Description GCLKN[1:0] GCLKP[1:0] I Global Reference Clock. Differential reference clock input pair. This clock is used as the reference clock by on-chip PLLs to generate the clocks required for the system logic. The frequency of the differential reference clock is determined by the GCLKFSEL signal. Table 3 Reference Clock Pins Signal Type Name/Description MSMBADDR[4:1] I Master SMBus Address. These pins determine the SMBus address of the serial EEPROM from which configuration information is loaded. MSMBCLK I/O Master SMBus Clock. This bidirectional signal is used to synchronize transfers on the master SMBus. It is active and generating the clock only when the EEPROM or I/O Expanders are being accessed. MSMBDAT I/O Master SMBus Data. This bidirectional signal is used for data on the master SMBus. SSMBADDR[5,3:1] I Slave SMBus Address. These pins determine the SMBus address to which the slave SMBus interface responds. SSMBCLK I/O Slave SMBus Clock. This bidirectional signal is used to synchronize transfers on the slave SMBus. SSMBDAT I/O Slave SMBus Data. This bidirectional signal is used for data on the slave SMBus. Table 4 SMBus Interface Pins Signal Type Name/Description GPIO[0] I/O General Purpose I/O. This pin can be configured as a general purpose I/O pin. Alternate function pin name: PART0PERSTN Alternate function pin type: Input/Output Alternate function: Assertion of this signal initiated a partition fundamental reset in the corresponding partition. GPIO[1] I/O General Purpose I/O. This pin can be configured as a general purpose I/O pin. Alternate function pin name: PART1PERSTN Alternate function pin type: Input/Output Alternate function: Assertion of this signal initiated a partition fundamental reset in the corresponding partition. GPIO[2] I/O General Purpose I/O. This pin can be configured as a general purpose I/O pin. Alternate function pin name: PART2PERSTN Alternate function pin type: Input/Output Alternate function: Assertion of this signal initiated a partition fundamental reset in the corresponding partition. GPIO[3] I/O General Purpose I/O. This pin can be configured as a general purpose I/O pin. Alternate function pin name: PART3PERSTN Alternate function pin type: Input/Output Alternate function: Assertion of this signal initiated a partition fundamental reset in the corresponding partition. Table 5 General Purpose I/O Pins (Part 1 of 5) |
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