Altera Floating-Point Uživatelský manuál Strana 108
- Strana / 157
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Figure 15-2: ALTFP_ABS Signals
data[]
overflow_in
nan_in
division_by_zero_in
zero_in
underflow_in
clk_en
clock
inst
ALTFP_ABS
result[]
overflow
nan
underflow
zero
division_by_zero
aclr
Table 15-3: ALTFP_ABS Input Signals
Port Name Required Description
aclr No Asynchronous clear. When the aclr port is asserted high, the
function is asynchronously cleared.
clk_en No Clock enable. When the clk_en port is asserted high, an
absolute value operation takes place. When the signal is
asserted low, no operation occurs and the outputs remain
unchanged.
clock Yes Clock input to the IP core.
data[] Yes Floating-point input data. The MSB is the sign bit, the next
MSBs are the exponent, and the LSBs are the mantissa. This
input port size is the total width of sign bit, exponent bits,
and mantissa bits.
zero_in No Zero exception input. Carry-through exception input port
from other floating-point modules.
nan_in No NaN exception input. Carry-through exception input port
from other floating-point modules.
overflow_in No Overflow exception input. Carry-through exception input
port from other floating-point modules.
underflow_in No Underflow exception input. Carry-through exception input
port from other floating-point modules.
division_by_zero_
in
No Division-by-zero exception input. Carry-through exception
input port from other floating-point modules.
15-4
ALTFP_ABS Signals
UG-01058
2014.12.19
Altera Corporation
ALTFP_ABS IP Core
Send Feedback
- 101 Innovation Drive 1
- San Jose, CA 95134 1
- Contents 2
- About Floating-Point IP Cores 7
- Design Flow 8
- Using the Parameter Editor 10
- File Name Description 12
- Upgrading IP Cores 15
- Related Information 18
- Floating-Point Formats 19
- Special Case Numbers 20
- Non-IEEE-754 Standard Format 21
- Integer bits 22
- Fraction bits 22
- VHDL Component Declaration 24
- VHDL LIBRARY-USE Declaration 24
- ALTERA_FP_MATRIX_INV IP Core 25
- Triangular Matrix Inversion 29
- Matrix Multiplication 29
- Matrix Inversion Operation 29
- Precision Format Numbers 30
- Sample Matrix Data 32
- Matrix Data 33
- ALTERA_FP_MATRIX_INV Signals 34
- ALTERA_FP_MATRIX_MULT IP Core 36
- . . . N-10 . . 38
- . . . N-10 38
- ALTERA_FP_MATRIX_MULT 39
- Parameter Value Description 40
- ALTERA_FP_ACC_CUSTOM IP Core 42
- ALTERA_FP_ACC_CUSTOM Signals 44
- ALTFP_ADD_SUB IP Core 48
- ALTFP_ADD_SUB Signals 51
- ALTFP_ADD_SUB 52
- ALTFP_ADD_SUB Parameters 53
- ALTFP_DIV IP Core 55
- ALTFP_DIV Truth Table 56
- ALTFP_DIV Signals 60
- ALTFP_DIV Parameters 61
- ALTFP_MULT IP Core 63
- Parameters 66
- ALTFP_MULT Signals 67
- ALTFP_SQRT 69
- ALTFP_SQRT Truth Table 70
- ALTFP_SQRT Signals 72
- ALTFP_SQRT Parameters 74
- ALTFP_EXP IP Core 75
- ALTFP_EXP Signals 78
- ALTFP_EXP 79
- ALTFP_EXP Parameters 80
- ALTFP_INV IP Core 81
- ALTFP_INV_SQRT IP Core 87
- ALTFP_INV_SQRT 90
- ALTFP_LOG 93
- ALTFP_ATAN IP Core 99
- ALTFP_ATAN Parameters 100
- Parameter 101
- Type Required Description 101
- ALTFP_SINCOS IP Core 102
- ALTFP_SINCOS Signals 103
- ALTFP_SINCOS Parameters 104
- ALTFP_ABS IP Core 105
- UG-01058 106
- 2014.12.19 106
- ALTFP_ABS Signals 107
- ALTFP_ABS 108
- ALTFP_ABS Parameters 109
- ALTFP_COMPARE IP Core 111
- Format Numbers 112
- ALTFP_COMPARE Signals 113
- ALTFP_COMPARE Parameters 114
- ALTFP_CONVERT IP Core 116
- ALTFP_CONVERT Output Latency 117
- Point Format Numbers 121
- Time Event 122
- ALTFP_CONVERT Signals 123
- ALTFP_CONVERT Parameters 125
- ALTERA_FP_FUNCTIONS IP Core 128
- Function Description 129
- ALTERA_FP_FUNCTIONS Signals 151
- Altera Corporation 152
- Send Feedback 152
- Document Revision History 156
- Date Document 157
- Changes Made 157
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