Read JBL SB 400 Service Manual online
Product Specification
Spec-BM153-V4.3 Page 3 of 7 www.sunitec.com.tw
®
Pin Configurations
PIN NO.
NAME
TYPE
FUNCTION
RE-MARK
1
AIO1
Bi-directional
Programmable input/output line
2
AIO0
Bi-directional
Programmable input/output line
3
RESET
CMOS input with
weak internal pull-up
weak internal pull-up
Reset if low. Input debounced so must be low for >5ms to
cause a reset
cause a reset
4 GND GND
Ground
5
PIO9
Bi-directional
Programmable Input/Output Line
6
PIO10
Bi-directional
Programmable Input/Output Line
7
PIO11
Bi-directional
Programmable Input/Output Line
8
PIO12
Bi-directional
Programmable Input/Output Line
9
PIO13
Bi-directional
Programmable Input/Output Line
10
PIO14
Bi-directional
Programmable Input/Output Line
11
PIO15
Bi-directional
Programmable Input/Output Line
12 GND GND
Ground
13
VDD
Power
+3.3V Supply
For 3.3V Version
VDD
Power
Connect to +1V8
For 1.8V Version
14 VDD_USB
Power
Positive
supply
for
UART/USB ports, Connect to VDD
15 +1V8 Power
+1.8V
Supply
16 GND GND
Ground
17
USB_DP
Bi-directional
USB Data Plus
18
USB_DN
Bi-directional
USB Data Minus
19
UART_RTS
CMOS Output
UART Request To Send (Active Low)
20
UART_CTS
CMOS Input
UART Clear To Send (Active Low)
21
UART_RX
CMOS Input
UART Data Input (Active High)
22
UART_TX
CMOS Output
UART Data Output (Active High)
23
PCM_IN
CMOS Input
Synchronous Data Input
24
PCM_SYNC
Bi-directional
Synchronous Data Sync
25
PCM_CLK
Bi-directional
Synchronous Data Clock
26
PCM_OUT
CMOS Output
Synchronous Data Output
27
SPI_CSB
CMOS Input
Chip Select For Synchronous Serial Interface (Active Low)
28
SPI_MISO
CMOS Output
Serial Peripheral Interface Data Output
29 SPI_CLK
CMOS
Input Serial
Peripheral Interface Clock
30
SPI_MOSI
CMOS Input
Serial Peripheral Interface Data Input
31
VRE_IN
Analogue
Take high to enable switch-mode regulator
32
VDD_BAT
Battery terminal +ve
Lithium ion/polymer battery positive terminal. Battery
charger output and input to switch-mode regulator
charger output and input to switch-mode regulator
33 GND GND
Ground
34
VDD_CHG
Charger input
Lithium ion/polymer battery charger input
35
LED1
Open drain output
LED Driver
36
LED0
Open drain output
LED Driver
37 GND GND
Ground
38 SPK_L_N
Analogue
Speaker
output negative, left
39
SPK_L_P
Analogue
Speaker output positive, left
40
SPK_R_N
Analogue
Speaker output negative, right
41
SPK_R_P
Analogue
Speaker output positive, right
42 GND GND
Ground
43 MIC_BIAS
Analogue
Microphone
bias
44
MIC_B_P
Analogue
Microphone input positive, right
45
MIC_B_N
Analogue
Microphone input negative, right
46
MIC_A_P
Analogue
Microphone input positive, left
47
MIC_A_N
Analogue
Microphone input negative, left
48 GND GND
Ground
49
PIO0
Bi-directional
Programmable Input/Output Line
50
PIO1
Bi-directional
Programmable Input/Output Line
51
PIO2
Bi-directional
Programmable Input/Output Line
52
PIO3
Bi-directional
Programmable Input/Output Line
53
PIO4
Bi-directional
Programmable Input/Output Line
54
PIO5
Bi-directional
Programmable Input/Output Line
55
PIO6
Bi-directional
Programmable Input/Output Line
56
PIO7
Bi-directional
Programmable Input/Output Line
57
PIO8
Bi-directional
Programmable Input/Output Line
58 GND GND
Ground
59 RF-IN RF
RF
Interface
60 GND GND
Ground
JBL
SB 400 Service Manual
Page 21 of 30
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