MC9S12DT256MPVE Freescale Semiconductor, MC9S12DT256MPVE Datasheet - Page 400

IC MCU 256K FLASH 25MHZ 112-LQFP

MC9S12DT256MPVE

Manufacturer Part Number
MC9S12DT256MPVE
Description
IC MCU 256K FLASH 25MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet

Specifications of MC9S12DT256MPVE

Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
PWM, WDT
Number Of I /o
91
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.25 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
112-LQFP
Processor Series
S12D
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
12 KB
Interface Type
CAN/I2C/SCI/SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
91
Number Of Timers
1
Operating Supply Voltage
5 V to 2.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
M68KIT912DP256
Minimum Operating Temperature
- 40 C
On-chip Adc
2 (8-ch x 10-bit)
No. Of I/o's
91
Eeprom Memory Size
4KB
Ram Memory Size
12KB
Cpu Speed
25MHz
No. Of Timers
1
No. Of Pwm Channels
8
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Chapter 9 Inter-Integrated Circuit (IICV2) Block Description
The number of clocks from the falling edge of SCL to the first tap (Tap[1]) is defined by the values shown
in the scl2tap column of
tap2tap column in
to determine the delay from the falling edge of SCL to SDA changing, the SDA hold time.
IBC7–6 defines the multiplier factor MUL. The values of MUL are shown in the
The equation used to generate the divider values from the IBFD bits is:
400
SCL
SDA
SCL Divider = MUL x {2 x (scl2tap + [(SCL_Tap -1) x tap2tap] + 2)}
SDA
SCL
START condition
Table
Table
9-3. The SCL Tap is used to generated the SCL period and the SDA Tap is used
9-3, all subsequent tap points are separated by 2
Figure 9-5. SCL Divider and SDA Hold
MC9S12XDP512 Data Sheet, Rev. 2.21
SCL Hold(start)
Table 9-4. Multiplier Factor
IBC7-6
00
01
10
11
SCL Divider
RESERVED
MUL
01
02
04
STOP condition
SDA Hold
IBC5-3
Table
Freescale Semiconductor
as shown in the
SCL Hold(stop)
9-4.

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