Yamaha Steinberg MR816SCX Service Manual page 15

MN101C027YB (XS71120R) CPU
PIN
NAME I/O
NO.
1 S1 I
2 S2 I
3 S3 I Switch matrix data
4 S4 I
5 S5 I
6 VREF+ - Power supply (+5V, analog)
7 VDD - Power supply (+5V)
8 OSC2 O Crystal oscillator (8MHz)
9 OSC1 I Crystal oscillator (8MHz)
10 VSS - Ground
11 XI I Not used
12 XO O Not used
13 MMOD I Memory mode select (Grounded)
14 RD0 O Rotary encoder data
15 RXD I MIDI receive data
16 D0 O
17 D1 O
18 D2 O LED and switch drive data
19 D3 O
20 D4 O
21 /RST I Reset
22 D5 O
23 D6 O
24 D7 O LED and switch drive data
25 D8 O
26 D9 O
27 S6 I
28 S7 I
29 S8 I
Switch matrix data
30 S9 I
31 S10 I
32 S11 I
TSB41AB2PAP (XZ665A00) PHY
PIN
NAME I/O
NO.
1 LREQ I LLC request input
2 SYSCLK O System clock output
3 CNA O Cable-not-active output
4 CTL0 I/O
Control I/Os
5 CTL1 I/O
6 D0 I/O
7 D1 I/O
8 D2 I/O
9 D3 I/O
Data I/Os
10 D4 I/O
11 D5 I/O
12 D6 I/O
13 D7 I/O
14 PD I Power-down input
15 LPS I Link power status input
16 NC No connection
17 DGND -
Digital ground
18 DGND -
19 C/LKON I/O Bus manager contender programming input and link-on output
20 PC0 I
21 PC1 I Power class programming inputs
22 PC2 I
23 ISO I Link interface isolation control input
24 CPS I Cable power status input
25 DV -
DD
Digital power supply
26 DV -
DD
27 TESTM I Test control input
28 SE I Test control input
29 SM I Test control input
30 AV -
DD
Analog power supply
31 AV -
DD
32 AGND - Analog ground
FUNCTION
FUNCTION
PIN
NAME I/O
NO.
33 S12 I
34 S13 I Switch matrix data
35 S14 I
36 TXD O MIDI transmit data
37 S15 I
38 S16 I
Switch matrix data
39 S17 I
40 S18 I
41 L16 O
42 L17 O
43 L18 O
44 L19 O
45 L8 O
46 L9 O
LED drive data
47 L10 O
48 L11 O
49 L12 O
50 L13 O
51 L14 O
52 L15 O
53 L7 O
54 L6 O
55 L5 O
56 L4 O
LED and switch drive data
57 L3 O
58 L2 O
59 L1 O
60 L0 O
61 VREF - Grounded
62 AD0 I Analog input
63 AD1 I Analog input
64 S0 I Switch matrix data
PIN
NAME I/O
NO.
33 AGND - Analog ground
34 TPB0– I/O
Twisted-pair cable B differential signal
35 TPB0+ I/O
36 TPA0– I/O
Twisted-pair cable A differential signal
37 TPA0+ I/O
38 TPBIAS0 I/O Twisted-pair bias output
39 AGND - Analog ground
40 R0 -
Current setting resistor
41 R1 -
42 AV - Analog power supply
DD
43 TPB1– I/O
Twisted-pair cable B differential signal
44 TPB1+ I/O
45 TPA1– I/O
Twisted-pair cable A differential signal
46 TPA1+ I/O
47 TPBIAS1 I/O Twisted-pair bias output
48 AGND -
49 AGND - Analog ground
50 AGND -
51 AV -
DD
Analog power supply
52 AV -
DD
53 RESET I Logic reset input
54 FILTER0 I/O
PLL filter
55 FILTER1 I/O
56 PLLV - PLL power supply
DD
57 PLLGND -
PLL ground
58 PLLGND -
59 XI -
Crystal oscillator inputs
60 XO -
61 DV -
DD
Digital power supply
62 DV -
DD
63 DGND -
Digital ground
64 DGND -
MR816CSX/MR816X
DM: IC150
FUNCTION
DM: IC101
FUNCTION
15