ZS-BTY50/BTY52/BTY55
53
• IC Pin Function Description
MAIN BOARD IC801 R5F3650ECDFB (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
WHITE_PWM
O
LED drive signal output terminal for illumination (white) indicator “H”: LED on
2
BLUE_PWM
O
LED drive signal output terminal for illumination (blue) indicator “H”: LED on
3, 4
SHIFT1, SHIFT2
O
Clock shift signal output terminal
5
I-NFC_FUNCTION
I
NFC function setting terminal “H”: NFC is set Fixed at “H” in this unit
6
BYTE
I
External data bus width selection signal input terminal Fixed at “L” in this unit
7
CNVSS
I
Processor mode selection signal input terminal
8
XIN
I
Not used
9
XOUT
O
Not used
10
RESET
I
Reset signal input from the reset signal generator “L”: reset (BTY50/BTY52)
Reset signal input from the reset signal generator and reset switch “L”: reset (BTY55)
11
OSCOUT
O
System clock output terminal (10 MHz)
12
VSS
-
Ground terminal
13
OSCIN
I
System clock input terminal (10 MHz)
14
VCC1
-
Power supply terminal (+3.3V)
15
NMI
I
Non-maskable interrupt signal input terminal Fixed at “H” in this unit
16
I-NFC
I
NFC interrupt signal input from the RC-S710 (NFC tag)
17
BUSY
I/O
Two-way busy signal with the USB controller (BTY52/BTY55)
18
SYSRST
O
Reset signal output to the USB controller “L”: reset (BTY52/BTY55)
19
CE
O
Chip enable signal output to the USB controller (BTY52/BTY55)
20
SDI
I
Serial data input from the USB controller (BTY52/BTY55)
21
SCK
O
Serial data transfer clock signal output to the USB controller (BTY52/BTY55)
22
SDO
O
Serial data output to the USB controller (BTY52/BTY55)
23
USB_IN
I
USB device detection signal input from the USB controller
“H”: USB device detect (BTY52/BTY55)
24
CMD_ERR
I
Command error signal input from the USB controller (BTY52/BTY55)
25
W_AM
O
LED drive adjustment signal output terminal for illumination indicator
26
BEEP
O
Beep sound output terminal
27
VOL_SCL
O
I2C serial data transfer clock signal output to the electrical volume
28
VOL_SDA
I/O
Two-way I2C serial data with the electrical volume
29
FW_TXD
O
Serial data output terminal Not used
30
FW_RXD
I
Serial data input terminal Not used
31
FW_CLK
O
Clock signal output terminal Not used
32
FW_BUSY
I
Busy signal input terminal Not used
33
EEPROM DATA
I/O
Two-way serial data with the EEPROM
34
EEPROM CLK
O
Serial data transfer clock signal output to the EEPROM
35
I-BT_FUNCTION
I
Bluetooth function setting terminal “H”: Bluetooth is set Fixed at “H” in this unit
36
I-USB_FUNCTION
I
USB function setting terminal “H”: USB is set Fixed at “H” in BTY52/BTY55
37
BATT_CHG_EN
O
Battery charge enable signal output terminal (BTY55)
38
CHG_SHIFT_CLOCK
O
DC/DC converter oscillation frequency shift signal output terminal (BTY55)
39
FW_EPM
O
EPM signal output terminal Not used
40 to 43
DEBUG_1 to
DEBUG_4
O
Not used
44
FW_CE
O
Chip enable signal output terminal Not used
45
TU_SDA
I/O
Two-way serial data with the FM/AM receiver
46
TU_SCL
O
Serial data transfer clock signal output to the FM/AM receiver
47
TU_RESET
O
Reset signal output to the FM/AM receiver “L”: reset
48
EN_USB
O
VBUS power supply on/off control signal output terminal
“H”: power on (BTY52/BTY55)
49
P_CON_BATT
O
Not used
50
FLT_USB
I
VBUS power supply over current detection signal input terminal (BTY52/BTY55)
51
DCDC_ON
O
Power supply on/off control signal output terminal for USB section
“H”: power on (BTY52/BTY55)
52
NC
-
Not used
53
BT3.3V_ON
O
Power supply on/off control signal output terminal for Bluetooth section “H”: power on
54
TU_ON
O
Power supply on/off control signal output terminal for tuner section “H”: power on
55
MEGABASS_ON
-
Not used
56
A_MUTE
O
Audio muting on/off control signal output terminal “H”: muting on
