MC9S12XDT512CAA Freescale, MC9S12XDT512CAA Datasheet - Page 1051

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MC9S12XDT512CAA

Manufacturer Part Number
MC9S12XDT512CAA
Description
Manufacturer
Freescale
Datasheet

Specifications of MC9S12XDT512CAA

Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
40MHz
Interface Type
CAN/I2C/SCI/SPI
Total Internal Ram Size
32KB
# I/os (max)
59
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
2.5/5V
Operating Supply Voltage (max)
2.75/5.5V
Operating Supply Voltage (min)
2.35/3.15V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant

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Freescale Semiconductor
TRY TO DECREASE Tbus
Figure 25-17. Determination Procedure for PRDIV8 and EDIV Bits
EDIV[5:0]=PRDCLK[MHz]*(5+Tbus[ s])–1
EECLK = (PRDCLK)/(1+EDIV[5:0])
ALL COMMANDS IMPOSSIBLE
yes
1/EECLK[MHz] + Tbus[ms] > 5
PRDCLK = oscillator_clock/8
PRDCLK[MHz]*(5+Tbus[ s])
MC9S12XDP512 Data Sheet, Rev. 2.21
EECLK > 0.15 MHz
PRDIV8 = 0 (reset)
oscillator_clock
EDIV[5:0] > 4?
Tbus < 1 s?
>12.8 MHz?
PRDIV8 = 1
an integer?
START
AND
?
yes
yes
yes
no
no
no
no
PRDCLK = oscillator_clock
no
EDIV[5:0]=INT(PRDCLK[MHz]*(5+Tbus[ s]))
yes
Chapter 25 2 Kbyte EEPROM Module (S12XEETX2KV1)
ALL COMMANDS IMPOSSIBLE
END
1053

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