Sharp LC-20VM2E Service Manual page 26

LC-20VM2E
Terminal Symbol
No.
58
59
60
61
62
63
65, 66 DYCO0-DYCO1 I/O
(LSB)-(MSB)
67-74 DYCO2-DYCO9 I/O
(LSB)-(MSB)
75
76
77
78
79
81
82
83
84
85
86
87
88
89
90
91
92
93
94
I/O Level
SLA0 I TTL
SCL I Schmitt
SDA I/O Schmitt
Not Open drain withstand voltage (Connect to system's SDA line)
ST0 O TTL
ST1 O TTL
NSTD O TTL
TTL
TTL
ALTF O TTL
CSI I Schmitt
TEST I TTL
LINE I TTL
KIL I TTL
AVDD - -
CBPC O Analog
ACO O Analog
AYO O Analog
CBPY O Analog
AGND - -
AGND - -
AYI I Analog
VCLY O Analog
VRBY O Analog
VRTY O Analog
AVDD - -
AVDD - -
VRTC O Analog
Buffer Type
PU/PD[kΩ]
2
5V withstand I C bus slave address selection input
voltage (L: B8/B9h, H: BA/BBh)
PD:50
5V withstand I 2 C bus clock input
voltage (Connect to system's SCL line)
5mA/5V I 2 C bus data input/output
1mA Internal signal monitor output
1mA Internal signal monitor output
1mA Nonstandard detection monitor output
(L: Standard decision H: Nonstandard decision)
1mA/5V EXADINS=0: Digital YC signal alternate output
withstand voltage (lower 2-bit)
EXADINS=1: Test input
(GND connection through resister)
1mA/5V EXADINS=0: Digital YC signal alternate output
withstand voltage (upper 8-bit)
EXADINS=1: 8-bit data input for external
Y-ADC
1mA EXADINS=0: Digital YC signal alternate flag
output (L:Y, H:C)
EXADINS=1: 4fsc clock output for external
Y-ADC
5V withstand Composite sink input
voltage (Active low)
PD:50
5V withstand Test terminal for IC selection
voltage (L: Normal operation, H: Test mode)
PD:50 (GND connection)
5V withstand Forced line process selection input
voltage (L: Normal process, H: Forced line process)
PD:50
5V withstand External killer input
voltage (L: Normal process, H: Forced YC separation
PD:50 stop)
Y-DAC, C-DAC power supply
C-DAC phase compensation output
C-DAC analog C signal output
Y-DAC analog Y signal output
Y-DAC phase compensation output
Y-DAC, C-DAC ground
Y-ADC ground
Y-ADC analog composite signal /Y signal input
Y-ADC clamp potential output
Y-ADC bottom reference voltage output
Y-ADC top reference voltage output
Y-ADC, C-ADC power supply
Y-ADC, C-ADC power supply
C-ADC top reference voltage output
26
LC-121M2E
LC-150M2E
Function