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)