21
S-81/S-81DAB
20 REQH O L Communications request output to CD microprocessor
21 XM_COMMAND O L Not used (XM ready command output)
22 XM_REQ I - Not used (XM ready REQUEST terminal)
23 VOL_JOGB I - JOG pulse input B for VOL
24 VOL_JOGA I - JOG pulse input A for VOL
25 FLCS O L Chip selection output to driver built into FL display tube
26 MSCLK CLK L Communications serial clock output to CD microprocessor
27 MDO RXD - Communications serial clock input from CD microprocessor
28 MDI TXD L Communications serial data output to CD microprocessor (Nch open Drain -
PULL UP)
29 IS1_DIN TXD L i-Pod READY/CONNECT comunications output (UART)
30 IS1_DOUT RXD - i-Pod READY/CONNECT comunications input (UART)
31 IPOD_SEL O L i-Pod READY/CONNECT switching output (H : READY, L: CONNECT)
32 XM_RESET O L XM ready RESET output
33 XM_MOXMI TXD L XM ready comunications input (UART)
34 XM_MIXMO RXD L XM ready comunications output (UART)
35 XM_POWER O L XM ready power control output
36 PWRON_CD O L CD unit power control output
37 /CDRESET O L Reset output to CD microprocessor
38 H/P_SW I - Headphones connected/disconnected detection input
39 LED_DA O L DATA output to LED driver (BU2090F)
40 E2P_CLK O L Clock output to EEPROM
41 E2P_DO I - Data input from EEPROM
42 E2P_DI O L Data output to EEPROM
43 E2P_CS O L Chip selection output to EEPROM
44 LED_CK O L CLOCK output to LED driver (BU2090F)
45 NC O L Not used
46 PWB_CHECK I - PWB checking mode input (PULL DOWN)
47 PWB_CHECK I - PWB checking mode input (PULL DOWN)
48 PWB_CHECK I - PWB checking mode input (PULL DOWN)
49 PWB_CHECK I - PWB checking mode input (PULL DOWN)
50 REC_MUTE O L REQ MUTE terminal (H : MUTE)
51 CL O L MONO_OUT electronic volumu clock output (BD3812F)
52 EMPHASIS_IN I - Emphasis signal input
53 SP_DETECT I - SP connected/disconnected detection input (H : SP Connected)
54 CLOCK_SEL1 O L Master clock audio data selection output 1 (selection 1 : selection XM and CD)
55 CLOCK_SEL2 O L Master clock audio data selection output 2 (Selection selection 1 output and AD
converter output)
56 SP_RL O L Relay output (L : MUTE)
57 SEL_CLK O L Input SELECTOR (BD3843FS) clock signal
58 SEL_DATA O L Input SELECTOR (BD3843FS) data latch output
59 DA O L Electronic volumu (BD3812FS) data latch output
60 VCC2 - - Power supply
61 H/P_MUTE O L Headphone MUTE output (L : MUTE ON)
62 VSS - - GND
63 P.ON/OFF O L Overall product power ON/OFF (standby) output
64 STEREO I - Tuner stereo signal detection input
65 /TUNED I - Tuner reception detection input
66 T.MUTE O L Tuner MUTE output
67 SANYO_CE O L Chip enable output to tuner PLL/RDS IC
68 SANYO_DI O L Data output to tuner PLL/RDS IC
69 SANYO_CLK O L Clock output to tuner PLL/RDS IC
70 SANYO_DO I - Data input from tuner PLL/RDS IC
71 WAKE INT - Button accept interrupt input (for resetting from low power consumption mode)
72 TU_POWER O L Tuner power ON/OFF control (H : Tuner ON)
73 REMOTE INT - IR remote controller input
Pin
No.
Port Name I/O Initial Function
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