HCSXXX Datasheet, PDF (14/28 Pages) Microchip Technology – Memory Programming Specification

HCSXXX
FIGURE 4-2:
HCS362 AND HCS410 OSCILLATOR TUNING
Preload Datastream
with 0x7 for OSCCAL⁽¹⁾
Store Average Value
as F_LOW
Interpolate
OSCCAL
Preload Datastream
with 400 µs Time Element
Program Target
Device
Reset Target⁽²⁾
Activate Button
Input on Target
Measure Preamble
Time Elements
Store Average
Value as F_HIGH
Measure Preamble
Time Elements
Activate Button
Input on Target
Reset Target⁽²⁾
Program Target
Device
Preload Datastream
With 400 µs Time Element
Preload Datastream
With 0x8 for OSCCAL
Preload Datastream
with Interpolated OSCCAL
Preload Desired
Baud Rate
Program Target
Reset Target⁽²⁾
Note 1: -8_d = 0x7, and +7_d = 0x8
2: Cycle Power
DS41256A-page 14
Preliminary
 2004 Microchip Technology Inc.