MC9S12HZ256CAL Freescale Semiconductor, MC9S12HZ256CAL Datasheet - Page 79
MC9S12HZ256CAL
Manufacturer Part Number
MC9S12HZ256CAL
Description
IC MCU 256K FLASH 25MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12HZ128CAL.pdf
(692 pages)
Specifications of MC9S12HZ256CAL
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
CAN, EBI/EMI, I²C, SCI, SPI
Peripherals
LCD, Motor control PWM, POR, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Processor Series
S12H
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
12 KB
Interface Type
I2C/SCI/SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
85
Number Of Timers
8
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12HZ256CAL
Manufacturer:
Freescale Semiconductor
Quantity:
135
Company:
Part Number:
MC9S12HZ256CAL
Manufacturer:
Freescale Semiconductor
Quantity:
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Part Number:
MC9S12HZ256CAL
Manufacturer:
FREESCALE
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20 000
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Freescale Semiconductor
TRY TO DECREASE Tbus
Figure 2-22. Determination Procedure for PRDIV8 and FDIV Bits
FDIV[5:0]=PRDCLK[MHz]*(5+Tbus[ s])-1
YES
ALL COMMANDS IMPOSSIBLE
FCLK=(PRDCLK)/(1+FDIV[5:0])
PRDCLK[MHz]*(5+Tbus[ s])
1/FCLK[MHz] + Tbus[ s] > 5
PRDCLK=oscillator_clock/8
MC9S12HZ256 Data Sheet, Rev. 2.05
PRDIV8=0 (reset)
FCLK > 0.15 MHz
FDIV[5:0] > 4?
OSCILLATOR
Tbus < 1 s?
> 12.8 MHZ?
an integer?
PRDIV8=1
START
CLOCK
AND
?
YES
YES
YES
NO
NO
NO
NO
PRDCLK=oscillator_clock
YES
NO
FDIV[5:0]=INT(PRDCLK[MHz]*(5+Tbus[ s]))
ALL COMMANDS IMPOSSIBLE
Chapter 2 256 Kbyte Flash Module (FTS256K2V1)
END
79
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