Yamaha M7CL-32 Service Manual page 65

PCA9516 (X5263A00)
2
5-channel I C Hub
DSP32: IC431
DSP48: IC431
SCL0 Vcc
1 16
SDA0 EN4
2 15
SCL1 SDA4
3 14
SDA1 SCL4
4 13
EN1 EN3
5 12
SCL2 SDA3
6 11
SDA2 SCL3
7 10
GND
8 9 EN2
PCA9564PW,118-PBF (X6155A00)
Parallel bus to I 2 C-bus controller
CPUM: IC016
D0 1 20 V
DD
D1 2 19 SDA
D2 SCL
3 18
D3 RESET
4 17
D4 INT
5 16
D5 A1
6 15
D6 7 14 A0
D7 8 13 CE
DNU RD
9 12
V WR
SS 10 11
TA7291S (XF557A00)
Motor Driver
FDMS4: IC006–009
FDIN: IC007–014
FDMS8: IC011–020
Vcc Vref
2 8
REG
Heat
protector
9 1 5
GND
IN1 IN2
PCA9516
SCL0
1 Buffer
SCL1 Buffer
3
SCL2
Buffer
6
SDA0
2 Buffer
SDA1
Buffer
4
SDA2
7 Buffer
EN1
5
EN2
9
PCA9564
19 FIL TER
SDA
SDA CONTROL
AA ENSIO STA STO SI
18
SCL FIL TER
SCL CONTROL
ENSIO STA STO SI
CLOCK SELECTOR
OSCILLATOR
9 DNV: Do not use
10
Vss: Ground
6
Vs
OUT1
7
M
1 2 3
3
IN2
OUT2
OUT2
Vcc
V
CC
16
Buffer
Hub
Logic
Buffer
Buffer
Hub
Logic
Buffer
8
GND
DATA
D7 D6 D5 D4 D3 D2 D1 D0
7 6 4 1
8 5 3 2
BUS BUFFER
SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0
I2CDAT — DATA REGISTER — READ/WRITE
TE TO6 TO5
TO4 TO3 TO2 TO1 TO0
I2CTO — TIMEOUT REGISTER — WRITE ONLY
BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0
I2CADR — OWN ADDRESS — READ/WRITE
ST7 ST6 ST5 ST4 ST3 ST2 ST1 ST0
I2CST — SATATUSREGISTER — READ ONLY
AA ENSIO STA STO SI CR2 CR1 CR0
I2CCON — CONTROL REGISTER — READ/WRITE
CONTROL BLOCK
CR0
CR1
INTERRUPT CONTROL
CR2
13
11 12 16 17 15
CE WR RD INT RESET A1
CONTROL SIGNALS
SN74AHC1G125DCKR (X3764A00)
Buffer Gate
CPUP: IC029
4 5 6 7 8 9
IN1
GND OUT1
NC VS Vref
M7CL-32/M7CL-48
SCL4
13
SCL3
10
SDA4
14
SDA3
11
EN4
15
EN3
12
A1 A0
0 1
0 0
1 0
0 0
1 1
POWER—ON
RESET
14 20
A0 V
DD
OE 1 5 V
CC
A
2
3 4
GND Y
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