Sony SA-WS700RF - Page 39

HT-S500RF/S700RF
39
Sony CONFIDENTIAL
For Authorized Servicer
• IC Pin Function Description
MAIN BOARD U5 STM32F070RBT6 (MCU)
Pin No. Pin Name I/O Description
1 VDD - Power supply terminal (+3.3V)
2 PC13 - Not used
3 PC14/OSC32_IN - Not used
4 PC15/OSC32_OUT - Not used
5 PF0/OSC_IN - Ground terminal
6 PF1/OSC_OUT - Ground terminal
7 NRST I Reset signal input terminal
8 PC0 O Serial clock signal output terminal (for LED)
9 PC1 O Serial data output terminal (for LED)
10 PC2 O Auto muting signal output terminal
11 PC3 - Not used
12 VSSA - Ground terminal
13 VDDA - Power supply terminal (+3.3V)
14 PA0 O MFB signal output terminal
15 PA1 O Reset signal output terminal (for BT)
16 PA2 O MCU data output terminal
17 PA3 I MCU data input terminal
18 VSS - Ground terminal
19 VDD - Power supply terminal (+3.3V)
20 PA4 I Fan detection signal input terminal
21, 22 PA5, PA6 - Not used
23 PA7 O P20 signal output terminal
24 PC4 O EAN signal output terminal
25 PC5 I MCU control signal input terminal
26 PB0 O Fan control signal output terminal
27, 28 PB1, PB2 - Not used
29 PB10 O LED control signal output terminal
30 PB11 - Not used
31 VSS - Ground terminal
32 VDD - Power supply terminal (+3.3V)
33 to 36 PB12 to PB15 - Not used
37 to 40 PC6 to PC9 - Not used
41 to 45 PA8 to PA12 - Not used
46 PA13 I SW data input terminal
47 VSS - Not used
48 VDD - Power supply terminal (+3.3V)
49 PA14 I SW clock signal input terminal
50 PA15 - Not used
51 PC10 O MCU data output terminal
52 PC11 I MCU data input terminal
53 PC12 I MCU and VFD control signal input terminal
54 PD2 O Muting signal output terminal (for AMP)
55 PB3 O Power down signal output terminal (for AMP)
56 PB4 I Power-DRT signal input terminal
57 PB5 I Over temperature warning signal input terminal
58 PB6 O MCU I2C serial clock signal output terminal
59 PB7 O MCU I2C serial data output terminal
60 BOOT0 - Ground terminal
61 PB8 O Reset signal output terminal (for AMP)
62 PB9 I Fault signal input terminal (for AMP)
63 VSS - Ground terminal
64 VDD - Power supply terminal (+3.3V)
SYSSET
2018/11/2806:27:54(GMT+09:00)