Sony HT-S500RF Service Manual page 39

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