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 amplifi 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 amplifi 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
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