ATAVRSB202 Atmel, ATAVRSB202 Datasheet - Page 201
ATAVRSB202
Manufacturer Part Number
ATAVRSB202
Description
KIT BATT MGMT FOR ATMEGA32HVB
Manufacturer
Atmel
Specifications of ATAVRSB202
Main Purpose
*
Embedded
*
Utilized Ic / Part
*
Primary Attributes
*
Secondary Attributes
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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29.8.10
29.8.11
8042B–AVR–06/10
SPMCSR writing restrictions
Programming Time for Flash when Using SPM
All other addresses are reserved for future use.
Writing any other combination than “100001”, “010001”, “001001”, “000101”, “000011” or
“000001” in the lower six bits will have no effect.
SPMCSR is locked for writing under the following conditions:
• One or more of the bits 5:0 in SPMCSR is set to 1
• During EEPROM write (status bit EEWE in EECR is set)
SPMCSR will be cleared at the following events:
• on completion of successful execution the following instructions:
• six cycles after writing SPMCSR if any other or no LPM/SPM is executed
The Fast RC Oscillator is used to time Flash accesses.
ming time for Flash accesses from the CPU.
Table 29-4.
Note:
Flash write (Page Erase, Page Write, and
write Lock bits by SPM)
– LPM with LBSET and SPMEN set
– SPM with LBSET and SPMEN set
– SPM with PGERS and SPMEN set
– SPM with PGWRT and SPMEN set
– SPM with SPMEN set
4. Slow RC oscillator frequency temperature drift prediction value.
5. ULP RC oscillator frequency in kHz (@ T
6. Slow RC oscillator frequency in kHz (@T
7. ULP RC oscillator frequency temperature drift prediction value.
8. 8 prescaled ULP RC periods in µs using the Oscillator Sampling Interface (@T
9. Calibration word used to calculate the absolute temperature in Kelvin from a VTEMP
10. Calibration word used to compensate for gain error in V-ADC Cells.
11. Calibration byte used to compensate for offset in V-ADC Cells.
12. Calibration word used to compensate for gain error in ADC0.
13. Calibration word used to compensate for gain error in ADC1.
14. Calibration byte used to compensate for offset in ADC0 and ADC1.
15. Hot temperature used for factory calibration in °C.
1. Minimum and maximum programming time is per individual operation.
conversion.
SPM Programming Time
Symbol
(1)
Min Programming Time
HOT
HOT
°C).
°C).
ATmega16HVB/32HVB
3.7 ms
Table 29-4
shows the typical program-
Max Programming Time
4.5 ms
HOT
°C).
201
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