MM912H634CM1AER2 Freescale Semiconductor, MM912H634CM1AER2 Datasheet - Page 262
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MM912H634CM1AER2
Manufacturer Part Number
MM912H634CM1AER2
Description
64KS12 LIN2xLS/HS Isense
Manufacturer
Freescale Semiconductor
Series
-r
Datasheet
1.MM912G634CM1AE.pdf
(345 pages)
Specifications of MM912H634CM1AER2
Applications
Automotive
Core Processor
HCS12
Program Memory Type
FLASH (64 kB)
Controller Series
HCS12
Ram Size
6K x 8
Interface
LIN
Number Of I /o
-
Voltage - Supply
5.5 V ~ 27 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
48-LQFP Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Since the IRC1M frequency is not a linear function of the temperature, but more like a
parabola, the above relative variation is only an indication and should be considered with
care.
Be aware that the output frequency varies with the TC trimming. A frequency trimming
correction is therefore necessary. The values provided in
ambient temperature which can vary from device to device.
TCTRIM[4:0]
10000
10001
10010
10100
10101
01101
01110
10011
10110
10111
11000
11001
11010
11011
11100
11101
01111
11110
11111
Table 376. TC Trimming of the Frequency of the IRC1M
IRC1M indicative relative TC variation
0 (nominal TC of the IRC)
MM912_634 Advance Information, Rev. 4.0
+0.27%
+0.54%
+0.81%
+1.07%
+1.34%
+1.59%
+1.86%
+2.11%
+2.38%
+2.62%
+2.89%
+3.12%
+3.39%
+3.62%
+3.89%
-3.91%
-4.18%
-3.6%
NOTE
IRC1M indicative frequency drift for
Table
relative TC variation
are typical values at
+0.5%
+0.9%
+1.3%
+1.7%
+2.0%
+2.2%
+2.5%
+3.0%
+3.4%
+3.9%
+4.3%
+4.7%
+5.1%
+5.6%
+5.9%
-5.1%
-5.6%
-5.9%
0%
262
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