Ic Pin Function Descrintion - Sony MZ-E10 Service Manual

MZ-E10

6-7. IC PIN FUNCTION DESCRINTION

• IC601 LC-896442-VH4-16-E (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC
ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, 16M BIT D-RAM, SYSTEM CONTROL)
(MAIN BOARD)
Pin No. Pin Name
1 MWEB
2 XD_MUTE
3 SIO4 DO
4 (SIO4 DI)
5 SIO2 CLK
6 NV XCS
7 SIO2 DO
8 SIO2 DI
9 AVSS
10 UNREG MON
11 RF VCMON
12 RMC KEY1
13 CHG_VI_MON
14 RF_TMP_MON
15 OPEN CLS SW
16 SET KEY
17 CHG MON
18 AVDD
19 RMC DTCK
20 (RMC SPCK)
21 SBUS CLK
22 SBUS DATA
23 PWR_CLK_PWM
24 AMICE CLK PWM
25 DSP INTB
26 DSP WRQB
27 DRV FG INT
28 DRV SLEDI INT
29 XCHG I LIMIT
30 OPR_LED_O_CTL
31 (LOCAL CHK1)
32 CHG AD SEL
33 VCC2
34 VSS
35 PWR FFCLR
36 PWR SLEEP
37 PWR STRB
38 CHG AMP SEL
39 CHG PWM
40 D_VO_PWM
41 OPR LED G PWM
42 OPR LED R PWM
43 VDD
44 VSS
45 D_EN1
46 PD S1
47 XRF_RESET
48 (LOCAL CHK2)
49 SMON4
26
I/O
– Not used (open)
O Mute signal output to Headphone
O Serial data output to DC-DC convertor (SC901580EPR2)
I Not used (Connected to ground)
O Serial clock output to EEPROM
O Chip select signal output to EEPROM
O Serial data output to EEPROM
I Serial data input from EEPROM
– Ground
I UNREG voltage monitor input
I Reference voltage (VC) input from RF AMP (SN761058ZQL)
I Remoto control key signal input
I AC adapter voltage input
I signal monitor input
I Cassette lid open/close signal input
I Key signal input
I Battery charge ∆V detect and charge current monitor input
– Power supply
I/O Serial data input/output
– Not used (open)
O Serial clock output to RF AMP (SN761058ZQL)
I/O Serial data input/output to RF AMP (SN761058ZQL)
O Clock output to DC-DC converter (SC901580EPR2)
O PWM signal output to RF AMP (SN761058ZQL)
– Not used (open)
– Not used (open)
– Not used (open)
– Not used (open)
O Limit charge current control signal
O LED (orange) control signal output
– Not used (open)
O Monitor control of charge A/D signal
– Power supply
– Ground
O Latch and clear signal output to DC/DC converter (SC91580EPR2)
O Sleep signal output to DC/DC converter (SC91580EPR2)
O Strobe signal output to DC/DC converter (SC91580EPR2)
O Select signal output of charge control
O Charge control PWM signal output
O Power supply control PWM signal output of Headphone AMP (NJU8713V-TE2)
O LED (green) control signal output
O LED (red) control signal output
– Power supply
– Ground
O Drive control signal output to Headphone AMP (NJU-8713V-TE2)
O PD-IC mode select signal output to optical pick-up
O Reset signal output to RF AMP (SN761058ZQL)
– Not used (open)
– Not used (open)
Description