DAV-DZ350/DZ650/DZ950
41
• IC Pin Function Description
MAIN BOARD IC201 STM8S207 (Flash, EEPROM, ADC, Timers, UART, SPI, I²C)
Pin No.
Pin Name
I/O
Description
1
RST
I
MCU reset
2
OSCIN
I
16 MHz
3
OSCOUT
O
16 MHz
4, 5
Vssio_1, VSS
-
Ground
6
VACP
-
Capacitor connect to ground
7, 8
VDD, VDDIO
-
+3.3V
9
PA3
O
Audio switch (for 4052B)
10
PA4
I
MTK-TX
11
PA5
O
MTK-RX
12
PA6
O
Audio switch (for 4052A)
13
Vdda
-
+3.3V
14
Vssa
-
Ground
15
PB7
I
Power-key (PAN)
16
PB6
O
Bluetooth reset
17
PB5
O
DSP reset (for TS5538)
18
PB4
O
DSP muting
19
PB3
I
Speaker short-detect (low active)
20
PB2
I
Over current ampli
fi
er error detect
21
PB1
I
LS and RS power over detect
22
PB0
I
Sub power over detect
23
PE7
I
L and R power over detect
24
PE6
I
Center power over detect
25
PE5
I
Microphone input detect
26
PC1
O
Power on/off control
27
PC2
O
Fan PWM control
28
PC3
O
Power DC adjustment control
29
PC4
O
White LED control
30
PC5
I
Over temperature ampli
fi
er error detect
31
Vssio
-
Ground
32
Vddio
-
+3.3V
33
PC6
I
CS8422 error detect
34
PC7
O
CS8422 reset
35
PG0
O
CS8422 audio format (option)
36
PG1
-
Reserve
37
PE3
I
IR input
38
PE2
O
I2C serial data
39
PE1
O
I2C serial clock
40
PE0
O
USB control
41
PD0
I
USB detect
42
PD1
I
S/W update
43
PD2
O
MCU reset MTK
44
PD3
O
HDMI-CEC-OUT
45
PD4
I
HDMI-CEC-IN
46
PD5
O
Bluetooth RX
47
PD6
I
Bluetooth TX
48
PD7
O
MCU reset lock
