參數(shù)資料
型號(hào): TMC2193
廠商: Fairchild Semiconductor Corporation
英文描述: 10 Bit Encoder
中文描述: 10位編碼器
文件頁(yè)數(shù): 6/72頁(yè)
文件大?。?/td> 448K
代理商: TMC2193
TMC2193
PRODUCT SPECIFICATION
6
REV. 1.0 3/26/03
ANALOG INTERFACE – Support (9 pins)
C
BYP1
16
0.1
μ
F
Reference Bypass Capacitor for DAC1 and Reference DAC.
Connection point for 0.1
μ
F Capacitor.
Reference Bypass Capacitor for DAC2.
Connection point for
0.1
μ
F Capacitor.
Reference Bypass Capacitor for DAC3.
Connection point for
0.1
μ
F Capacitor.
Reference Bypass Capacitor for DAC4.
Connection point for
0.1
μ
F Capacitor.
Current Setting Resistor.
Connection point for external current
setting resistor for DAC1. The resistor is connected between
R
REF1
and GND. Output video levels are inversely proportional
to the value of R
REF1
.
Current Setting Resistor.
Connection point for external current
setting resistor for DAC2. The resistor is connected between
R
REF2
and GND. Output video levels are inversely proportional
to the value of R
REF2
.
Current Setting Resistor.
Connection point for external current
setting resistor for DAC3. The resistor is connected between
R
REF3
and GND. Output video levels are inversely proportional
to the value of R
REF3
.
Current Setting Resistor.
Connection point for external current
setting resistor for DAC4. The resistor is connected between
R
REF4
and GND. Output video levels are inversely proportional
to the value of R
REF4
.
Voltage Reference Input.
External voltage reference input,
internal voltage reference output, nominally 1.235V.
C
BYP2
11
0.1
μ
F
C
BYP3
6
0.1
μ
F
C
BYP4
3
0.1
μ
F
R
REF1
18
1210 Ohm
R
REF2
13
1210 Ohm
R
REF3
8
1210 Ohm
R
REF4
99
1210 Ohm
V
REF
98
1.235 V
MPU INTERFACE (13 pins)
A[1:0]/S
A
[1:0]
61, 62
TTL
When SER (HIGH), OLUT/control/pointer address.
When SER (LOW), SA[1:0] of serial chip address SA[6:0].
When SER (HIGH), microprocessor port clock.
When SER (LOW), serial bus clock.
Bi-directional Data Bus.
When SER (HIGH), read/write control.
When SER (LOW), serial bus bi-directional data.
Microprocessor Select.
When LOW, the serial interface is
enabled. When HIGH, the parallel interface is enabled.
CS/SCL
59
TTL/R-BUS
D[7:0]
RW/SDA
63
70
60
TTL
TTL/R-BUS
SER
58
TTL
POWER & GROUND (17 pins)
A
GND
D
GND
V
DD
V
DDA
4, 9, 14, 100
26, 40, 53, 71, 97
39, 54, 72, 96
1, 7, 12, 17
0.0V
0.0V
+5.0V
+5.0V
Analog ground
Digital ground
Digital positive power supply
Analog positive power supply
Pin Definitions
(continued)
Pin Name
Pin Number
Value
Description
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