LH75400/01/10/11 (Preliminary) User’s Guide LH75400 SoC7/2/03 4-13NOTES:1. These pin numbers have multiplexed functions.2. Signals preceded with ‘n’ are active LOW.79 INT0 Input External Interrupt Input 0 181 nPOR Input Power-on Reset Input 282 XTAL32IN Input 32.768 kHz Crystal Clock Input83 XTAL32OUT Output 32.768 kHz Crystal Clock Output86 XTALIN Input Crystal Clock Input87 XTALOUT Output Crystal Clock OutputTEST INTERFACE63 TEST2 Input Test Mode Pin 264 TEST1 Input Test Mode Pin 165 TMS Input JTAG Test Mode Select Input66 RTCK Output Returned JTAG Test Clock Output67 TCK Input JTAG Test Clock Input68 TDI Input JTAG Test Serial Data Input69 TDO Output JTAG Test Data Serial OutputPOWER AND GROUND (GND)31734425498112126134VDD Power I/O Ring VDD826414859106119127140VSS Power I/O Ring VSS1175 VDDC Power Core VDD supply (Output if Linear Regulator Enabled, Otherwise Input)1480 VSSC Power Core VSS70 LINREGEN Input Linear Regulator Enable84 VSSA_PLL Power PLL Analog VSS85 VDDA_PLL Power PLL Analog VDD Supply88 VSSA_ADC Power A-to-D converter Analog VSS97 VDDA_ADC Power A-to-D converter Analog VDD SupplyTable 4-2. LH75400 Signal Descriptions (Cont’d)PIN NO. SIGNAL NAME TYPE DESCRIPTION NOTES