– 14 –
Pin No.
Pin Name
I/O
Pin Description
48
CHG CONT
O
CHG control signal output.
49
CHG PWR
O
CHG power supply voltage control signal output.
50
VDD
—
Digital power supply (+2.8V).
51
VPP
—
Power for on board light.
52
VSS
—
Digital ground.
53
SLD 1R CON
O
Sled motor control signal output.
54
SLD 1F CON
O
Sled motor control signal output.
55
SLD 2R CON
O
Sled motor control signal output.
56
SLD 2F CON
O
Sled motor control signal output.
57
NIMH DET
I
NIMH detect signal input.
58
XDC IN
I
Power supply voltage input sense signal input.
59
GUM DET
I
Battery detect signal input.
60
—
Not used (Open).
61
SPCK
O
Serial clock output for Remote control communication. Not used (Open).
62
RMC DTCLK
I/O
Serial data input/output for Remote control communication.
63 – 66
—
Not used (Open).
67
SLD VCON
O
Sled servo outer voltage control output.
68
SLD PWR-UP
O
Baypass transistor control output for sled drive power supply.
69
HP MUTE
O
Headphone amplifier mute output.
70
HP STBY
O
Headphone amplifier standby output.
71
RMC SEL
O
TSB/SSB selection signal output to remote commander terminal. Not used (Open).
72
NV D0
O
Serial data signal output for NVRAM.
73
NV D1
I
Serial data signal input from NVRAM.
74
NV CLK
O
Serial clock signal output for NVRAM.
75
NV CS1
O
Chip select signal output for NVRAM.
76
VDD
—
Digital power supply (+2.8V).
77 – 79
LCD VL2 – 0
I
LCD drive level power supply (Connected ground).
80
VSS
—
Digital ground.
81 – 87
—
Not used (Open).
88 – 96
LCD SEG0 – 8
—
LCD Segment terminal. Not used (Open).
97 – 100
LCD COM0 – 3
—
LCD common terminal. Not used (Open).
Содержание MD WALKMAN MZ-E33
Страница 4: ... 4 SECTION 2 GENERAL This section is extracted from instruction manual ...
Страница 15: ... 15 16 17 MZ E33 6 2 BLOCK DIAGRAM ...
Страница 16: ......
