Sony STR-K7200 Service Manual - Page 55

STR-K7200 • IC Pin Function Description DIGITAL AB BOARD IC1009 ADSST-AVR-1115 (DSP) Pin No. Pin Name I/O Description 1 VDDINT - Power supply terminal (+1.2V) 2, 3 CLKCFG0, CLKCFG1 I Clock frequency setting terminal 4, 5 BOOTCFG0, BOOTCFG1 I Boot mode setting terminal for DSP 6 GND - Ground terminal 7 VDDEXT - Power supply terminal (+3.3V) 8 GND - Ground terminal 9 VDDINT - Power supply terminal (+1.2V) 10 GND - Ground terminal 11 VDDINT - Power supply terminal (+1.2V) 12 GND - Ground terminal 13 VDDINT - Power supply terminal (+1.2V) 14 GND - Ground terminal 15 FRAG0 O Interrupt status output to the system controller 16 FRAG1 I PLL lock error signal and data error flag input terminal 17 AD7 I/O Two-way data bus and address signal output with S-RAM Not used 18 GND - Ground terminal 19 VDDINT - Power supply terminal (+1.2V) 20 GND - Ground terminal 21 VDDEXT - Power supply terminal (+3.3V) 22 GND - Ground terminal 23 VDDINT - Power supply terminal (+1.2V) 24 to 26 AD6 to AD4 I/O Two-way data bus and address signal output with S-RAM Not used 27 VDDINT - Power supply terminal (+1.2V) 28 GND - Ground terminal 29, 30 AD3, AD2 I/O Two-way data bus and address signal output with S-RAM Not used 31 VDDEXT - Power supply terminal (+3.3V) 32 33, 34 GND AD1, AD0 - Ground terminal I/O Two-way data bus and address signal output with S-RAM Not used 35 XWR O Data write enable signal output to the S-RAM "L": active Not used 36, 37 VDDINT - Power supply terminal (+1.2V) 38 GND - Ground terminal 39 XRD O Read strobe signal output to the S-RAM "L": active Not used 40 ALE O Address latch enable signal output terminal Not used 41 to 43 AD15 to AD13 I/O Two-way data bus and address signal output with S-RAM Not used 44 GND - Ground terminal 45 VDDEXT - Power supply terminal (+3.3V) 46 AD12 I/O Two-way data bus and address signal output with S-RAM Not used 47 VDDINT - Power supply terminal (+1.2V) 48 GND - Ground terminal 49 to 52 AD11 to AD8 I/O Two-way data bus and address signal output with S-RAM Not used 53 A16 O Address signal output to S-RAM Not used 54 VDDINT - Power supply terminal (+1.2V) 55 56, 57 58 GND A17, A18 GND - Ground terminal O Address signal output to S-RAM Not used - Ground terminal 59 VDDEXT - Power supply terminal (+3.3V) 60 VDDINT - Power supply terminal (+1.2V) 61 GND - Ground terminal 62 PF_CE I/O Chip enable signal input/output terminal Not used 63 SPI_MAS O Master/slave selection signal output terminal "L": DSP is master Not used 64 DPSOA O PCM audio signal (front L/R) output to the D/A converter 65 DPSOB O PCM audio signal (surround L/R) output to the D/A converter 66 VDDINT - Power supply terminal (+1.2V) 55