Yamaha CRX-E500 Service Manual page 28

CDC-E500
IC201 : M30622M8A-XXXFP
Pin Description
No. Device Name
1 P96/ANEX1/S 4
OUT
2 P95/ANEX0/CLK4
3 P94/DA1/TB4
IN
4 P93/DA0/TB3
IN
5 P92/TB2 /S 3
IN OUT
6 P91/TB1 /S 3
IN IN
7 P90/TB0 /CLK3
IN
8 BYTE
9 CNV
SS
10 P87/X
CIN
11 P86/X
COUT
———
12 RESET
13 X
OUT
14 V
SS
15 X
IN
16 V
CC
—–
17 P85/NMI
—–
18 P84/INT2
—–
19 P83/INT1
—–
20 P82/INT0
–
21 P81/TA4 /U
IN
22 P80/TA4 /U
OUT
23 P77/TA3
IN
24 P76/TA3
OUT
—
25 P75/T2 /W
IN
26 P74/TA2 /W
OUT
27 P73/CTS2/RTS2/TA1
IN
28 P72/CLK2/TA1 /V
OUT
29 P71/R D2/SCL/TA0
X IN
30 P70/T D2/SDA/TA0
X OUT
31 P67/T D1
X
32 P66/R D1
X
33 P65/CLK1
—— —— ——
34 P64/CTS1/RTS1/CTS0/CLKS1 pFL_CE
35 P63/T D0
X
36 P62/R D0
X
37 P61/CLK0
—— ——
38 P60/CTS0/RTS0
——
39 P57/RDY/CLK
OUT
40 P56/ALE
——–
41 P55/HOLD
——–
42 P54/HLDA
43 P53/BCLK
––
44 P52/RD
–—— ——
45 P51/WRH/BHE
—— –—
46 P50/WRL/WR
—–
47 P47/CS3
—–
48 P46/CS2
—–
49 P45/CS1
28
Source Circuit
Program Diagram I/O
Name Name
SQCK
LDRCTL
GCTL
pSUBC SUBC
SUBCK2
BYTE
CNVSS
/RESET
XOUT
VSS
XIN
VCC
/NMI
/CLDCK
BLKCK
pDMUTE DMUTE
pSTAT STAT
pFLSW /FLSW
pTLOCK /TLOCK
pFLOCK /FLOCK
pRF_OnOff RF
–
/V pMLD MLD
/TB5
IN
DO
pE2_DI DI
CL
CE
pMDATA MDATA
pSENSE SENSE
MCLK
pMNRST /MNRST
pFLRST /FLRST
pE2_CE E2_CE
FALSH_EPM –
FLASH_CE –
pTest3
pTest2
pTest1
Contents
– Open
O MN35511 serial I/F clock (SQCK)
O RF amp gain control
O RF amp gain control
– Open
I MN35511 serial I/F input (CDTX)
O MN35511 C (TXCK)
– Gnd
– Gnd
– Reset
– Oscillator (10.0 MHz)
– Gnd
Oscillator (10.0 MHz)
– +5V
–I +5V (with R)
I MN35511 SUBC pack synchronize
I MN35511 sub-code block clock
O MN35511 digital mute
I MN35511 states
I Feed limit SW
I MN35511 tracking lock
I MN35511 focus lock
O RF amp standby control
O MN35511 chip select
O FL driver serial I/F output (E2P DI)
(E2P DO)
O FL driver serial I/F clock (CL)
O FL driver chip enable
O MN35511 serial I/F output (MDATA)
I MN35511 serial I/F input (SENSE)
O MN35511 serial I/F clock (MCLK)
O MN35511 system reset
O FL driver reset
O (E2P CS)
Flash ROM
Flash ROM
O Test port
O Test port
O Test port
Logic Other
2.5V: Normal L: RW D/A
H: RW 2.5V: Normal L: Off D/A
Always low
Always low
Always low
Always high
Always high (with R)
H: standby L: ON
H –> L: Data latch
N-OD
N-OD
T
X
R
X
SCLK
H –> L: Data latch BUSY
H: ON L: Reset
H: ON L: Reset
Pull down
Pull up
D
D