RFHCS362G_11 Datasheet, PDF (44/54 Pages) Microchip Technology – KEELOQ® Code Hopping Encoder with UHF ASK/FSK Transmitter

rfHCS362G/362F
TABLE 10-3: PROGRAMMING/VERIFY TIMING REQUIREMENTS
Parameter
Program mode setup time
Hold time 1
Hold time 2
Bulk Write time
Program delay time
Program cycle time
Clock low time
Clock high time
Data setup time
Data hold time
Data out valid time
VDD = 5.0 ± 10%
25°C ± 5°C
Symbol Min.
TPS
3.5
TPH1
3.5
TPH2
50
TPBW
4.0
TPROG
4.0
TWC
50
TCLKL
50
TCLKH
50
TDS
0
TDH
30
TDV
—
Typical
—
—
—
—
—
—
—
—
—
—
—
Max.
4.5
—
—
—
—
—
—
—
—
30
Unit
ms
ms
μs
ms
ms
ms
μs
μs
μs
μs
μs
Remarks
FIGURE 10-2:
PWM DATA FORMAT (MOD = 0)
Serial Number
Function Code Status CRC/TIME QUEUE
LSB
MSB LSB
MSB S3 S0 S1 S2 VLOW CRC0 CRC1 Q0 Q1
Bit 0 Bit 1 Bit 30 Bit 31 Bit 32 Bit 33 Bit 58 Bit 59 Bit 60 Bit 61 Bit 62 Bit 63 Bit 64 Bit 65 Bit 66 Bit 67 Bit 68
Header Encrypted Portion
Fixed Portion of Transmission
Guard
Time
DS41189B-page 44
© 2011 Microchip Technology Inc.