Manual
Table Of Contents
- Features
- 1. Characteristics & Specifications
- 2. Overview
- 3. Functional Description
- 3.1 Pulse-Rate Output
- 3.2 Pulse Output for Normal Format, Stepper Motor Format and Mechanical Counter Format
- 3.3 Auto-boot Mode Using EEPROM
- 3.4 Interrupt and Watchdog Timer
- 3.5 Oscillator Characteristics
- 3.6 Analog Inputs
- 3.7 Voltage Reference
- 3.8 Calibration
- 3.9 Phase Compensation
- 3.10 Time-Base Calibration Register
- 3.11 Power Offset Register
- 3.12 Input Protection - Current Limit
- 3.13 Input Filtering
- 3.14 Protection Against High-voltage and/or High-current Surges
- 3.15 Improving RFI Immunity
- 3.16 PCB Layout
- 4. Serial Port Overview
- 5. Register Descriptions
- 6. Pin Descriptions
- 7. Package Dimensions
- 8. Ordering Information
- 9. Environmental, Manufacturing, & Handling Information
- 10. Revision History
CS5460A
18 DS487F5
VA+
VD+
0.1
µF
200
µF
200
N
10
14
VIN+
9
VIN-
IIN-
10
15
16
IIN+
PFMON
CPUCLK
XOUT
XIN
Optional
Clock
Source
RESET
17
2
1
24
CS
SDI
SDO
SCLK
INT
EDIR
22
EOUT
21
0.1 µF
VREFIN
12
VREFOUT
11
VA- DGND
13 4
3
To Service
2.5 MHz to
20 MHz
0.1 µF
10 k
5k
L
* Refer to Input Protection
M:1
R
N:1
Low Phase-Shift
Potential Transformer
Current
Transformer
CS5460A
** Refer to Input Filtering
R
V+
*
R
V-
*
C
Vdiff
**
R
I-
*
R
I+
*
C
**
Burden
Idiff
Voltage
Transformer
120 VAC
12 VAC
12 VAC
200
Serial
Data
Interface
19
7
23
6
5
20
Mech. Counter
Stepper Motor
or
1k
1k
1k
1k
+
NOTE: Current channel
input measures voltage
(just like voltage input).
C
V+
**
C
V-
**
C
I+
**
C
I-
**
Figure 7. Typical Connection Diagram (One-Phase 2-Wire, Isolated from Power Line)