Denon PMA-50 - Pin Description

Pin Description
PIO
No.
Pin Name Description Pad Type
1 PIO_11 Programmable input/output line Bi-directional
2 PIO_12 Programmable input/output line Bi-directional
3 PIO_13 Programmable input/output line Bi-directional
4 PIO_14 Programmable input/output line Bi-directional
5 USB_DP
USB Data Plus with select
able internal 1.5KΩ
Pull-up resistor
Bi-directional
6 USB_DN USB Data minus Bi-directional
7 VDD_USB POWER FOR USB(3.3V) Power
8 UART_RTS UART request to send to active low Bi-directional
9 UART_CTS UART request to clear to active low CMOS Input
10 UART_TX UART Data Output Bi-directional
11 UART_RX UART Data Input CMOS input
12 PIO_10 Programmable input/output line Bi-directional
13 PIO_9 Programmable input/output line CMOS Output
14 PIO_8 Programmable input/output line CMOS Input
15 PIO_7 Programmable input/output line Bi-directional
16 VSS Common Ground Ground
17 PIO_6 Programmable input/output line Bi-directional
18 PIO_5 Programmable input/output line Bi-directional
19 PIO_4 Programmable input/output line Bi-directional
20 PIO_3 Programmable input/output line Bi-directional
21 SPI_MOSI SPI data input CMOS input
22 SPI_CLK SPI clock Input
23 SPI_CSB Chip select for SPI, active low Input
24 SPI_MISO SPI data output CMOS output
25 LED_1 LED driver Open drain
26 LED_0 LED driver Open drain
27 PCM_CLK Synchronous data clock Bi-directional
28 PCM_SYNC Synchronous data sync Bi-directional
PIO
No.
Pin Name Description Pad Type
29 PCM_IN Synchronous data input CMOS Input
30 PCM_OUT Synchronous data output CMOS output
31 VBAT Battery Power Power
32 PIO_2 Programmable input/output line Bi-directional
33 PIO_1 Programmable input/output line Bi-directional
34 PIO_0 Programmable input/output line Bi-directional
35 VCHG Charging Power Power
36 VCC Core Power(1.8V) Power
37 MIC_BIAS Microphone bias Power
38 MIC_B_P Microphone input positive, right Analogue
39 MIC_B_N Microphone input negative, right Analogue
40 MIC_A_P Microphone input positive, left Analogue
41 MIC_A_N Microphone input negative, left Analogue
42 SPKR_B_N Speaker output negative, right Analogue
43 SPKR_B_P Speaker output positive, right Analogue
44 SPKR_A_N Speaker output negative, left Analogue
45 SPKR_A_P Speaker output positive, left Analogue
46 VSS Common Ground Ground
47 RF RF connection to Antenna Bi-directional
48 VSS Common Ground Ground
49 AIO_1 Analogue programmable in/out line Bi-directional
50 AIO_0 Analogue programmable in/out line Bi-directional
51 RST#
Reset if low. Input debounced
so must be low for>5ms to cause a reset
CMOS Input
52 VSS Common Ground Ground
81