HD6473937W Renesas Electronics America, HD6473937W Datasheet - Page 398
HD6473937W
Manufacturer Part Number
HD6473937W
Description
MCU FLASH OTP 60K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheet
1.HD6473937RXV.pdf
(523 pages)
Specifications of HD6473937W
Core Processor
H8/300L
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI
Peripherals
POR, WDT
Number Of I /o
59
Program Memory Size
60KB (60K x 8)
Program Memory Type
OTP
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Part Number:
HD6473937W
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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12.5.5
The contents of this section apply to the FLEX™ Roaming Decoder. They are not applicable to
the FLEX™ Non-Roaming Decoder.
1. Calculating Time Left
The receiver shutdown packet gives timing information to the host. Two times are of particular
interest when implementing a roaming algorithm.
The formula’s for calculating these times depend on whether the FLEX decoder is in synchronous
mode or asynchronous mode.
SYNCHRONOUS MODE:
ASYNCHRONOUS MODE:
Where,
384
The above operation is repeated for every temporary address.
TimeToWarmUpStart. Defined as the amount of time there is before the receiver will start to
warm up (i.e. transition from the off state to the first warm up state).
TimeToTasksDisabled. Defined as the amount of time the host has to complete any host
initiated tasks (e.g. by setting SND or SAS in the roaming control packet).
TNF:
SkippedFrames:
ReceiverOffTime:
TimeToWarmUpStart
ReceiverOffTime –167.5ms
TimeToTasksDisabled
TimeToWarmUpStart
TimeToTasksDisabled
Using the Receiver Shutdown Packet
Time to Next Frame. Value from the receiver shutdown packet.
The number of frames that won’t be decoded. This can be calculated
from the Current Frame (CF) and Next Needed Frame (NAF) fields in
the receiver shutdown packet (e.g. If CF is 10 and NAF is 12, then
SkippedFrames is 1)
The time programmed in the receiver off setting packet.
((TNF –2) • 80ms) + ReceiverOffTime
(TNF • 80ms) + (SkippedFrames • 1874.375ms) +
((TNF –3) • 80 ms)
(TNF • 80ms) + (SkippedFrames • 1874.375ms) – 247.5ms
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