Hd63B05V0F073P (Xr951A00) Cpu; Ak5351-Vf-E2 (Xv510A00) Adc (Analog To Digital Converter); Pcm1716E (Xu829A00) Dac (Digital To Analog Converter) - Yamaha Portatone PSR-740 Service Manual

PSR-740/PSR-640

HD63B05V0F073P (XR951A00) CPU

PIN
NAME I/O
NO.
1 /RES I
2 /INT I
3 NUM I
4 A7 I/O
5 A6 I/O
6 A5 I/O
7 A4 I/O
8 A3 I/O
9 A2 I/O
10 A1 I/O
11 A0 I/O
12 B0 I/O
13 B1 I/O
14 B2 I/O
15 B3 I/O
16 B4 I/O
17 B5 I/O
18 B6 I/O
19 B7 I/O
20 VSS

AK5351-VF-E2 (XV510A00) ADC (Analog to Digital Converter)

PIN
NAME I/O
NO.
1 AINR+ I
2 AINR- I
3 VREF O
4 VA -
5 AGND -
6 AINL+ I
7 AINL- I
8 TST1 I/O
9 HPFE
10 TST2 I/O
11 TST3 I/O
12 VD -

PCM1716E (XU829A00) DAC (Digital to Analog Converter)

PIN
NAME I/O
NO.
1 LRCK I
2 DATA I
3 BCK I
4 CLKO O
5 XTI I
6 XTO O
7 DGND -
8 VDD -
9 Vcc2R -
10 AGND2R -
11 EXTR O
12 NC -
13 VOUTR O
14 AGND1 -
18
FUNCTION
Reset
Interrupt request
Non-maskable interrupt







Port A
















Port B








Ground
FUNCTION
Analog signal input (R channel +)
Analog signal input (R channel -)
Reference voltage
Analog power supply
Analog ground
Analog signal input (L channel +)
Analog signal input (L channel -)
Test mode setting 1
HPF on/off
Test mode setting 2
Test mode setting 3
Digital power supply
FUNCTION
Data input
Bit clock
Clock input
Clock input
Clock out
Digital ground
Digital power supply (+5 V)
Analog power supply (+5 V)
Analog ground
Rch, analog output
Rch, analog voltage output
Analog ground
PIN
NAME I/O
NO.
21 C7 I/O
22 C6 I/O
23 C5 I/O
24 C4 I/O
25 C3 I/O
26 C2 I/O
27 C1 I/O
28 C0 I/O
29 D0 I/O
30 D1 I/O
31 D2 I/O
32 D3/TX O
33 D4/RX I
34 D5//CK O
35 D6//INT2 I
36 /STBY I
37 TIMER I
38 XTAL O
39 EXTAL I
40 VCC
PIN
NAME I/O
NO.
13 DGND -
14 TST4 I/O
15 AMODE2
16 /PD I
17 MCLK I
18 SCLK I/O
19 LRCK I
20 FSYNC I/O
21 SDATA O
22 CMODE I
23 SMODE1 I
24 VB -
PIN
NAME I/O
NO.
15 Vcc1 - Analog power supply (+5 V)
16 VOUTL O Lch, analog voltage output
17 NC -
18 EXTL O Lch, analog output
19 AGND2L - Analog ground
20 Vcc2L - Analog power supply (+5 V)
21 /ZERO O Zero data flag
22 /RST I Reset
23 /CS/IWO I Chip select
24 MODE I Mode control select
(H: Software, L: Hardware)
25 /MUTE I Mute control
26 MD/DM0 I Mode control data/ De-emphasis select1
27 MC/DM1 I Mode control BCK/De-emphasis select2
28 ML/IIS I Mode control Latch/input format select
FUNCTION







Port C











Port D


(Serial data output)
(Serial data input)
(Clock for serial operation)
(Interrupt request 2)
(Standby mode signal)

Timer


Clock


Power supply
FUNCTION
Digital ground
Test mode setting 4
Interface clock select 2
Power-down mode
Master clock input
Serial data clock
Input/Output channel clock
Frame synch. clock
Serial data output
Master clock select
Interface clock select 1
Digital power supply
FUNCTION