MCF51EM128CLL Freescale Semiconductor, MCF51EM128CLL Datasheet - Page 513
MCF51EM128CLL
Manufacturer Part Number
MCF51EM128CLL
Description
IC MCU 32BIT 128KB FLASH 100LQFP
Manufacturer
Freescale Semiconductor
Series
MCF51EMr
Datasheets
1.MCF51EM128CLL.pdf
(2 pages)
2.MCF51EM128CLL.pdf
(54 pages)
3.MCF51EM128CLL.pdf
(636 pages)
Specifications of MCF51EM128CLL
Core Processor
Coldfire V1
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, SCI, SPI
Peripherals
LCD, LVD, PWM, WDT
Number Of I /o
63
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 16x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Processor Series
MCF51EM
Core
ColdFire V1
Data Bus Width
32 bit
Data Ram Size
16 KB
Interface Type
RS-232, LIN
Maximum Clock Frequency
50 MHz
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
TWR-MCF51CN-KIT, TWR-SER, TWR-ELEV, TOWER
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF51EM128CLL
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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23.2
23.2.1
The VREFTRM register contains eight bits that contain the trim data for the Voltage Reference as
described in
Freescale Semiconductor
Register address: Base + 0x00
Reset:
Memory Map and Register Definition
W
R
VREF Trim Register (VREFTRM)
TRM7
Table
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
TRM[7:0]
Field
23-2.
7:0
. . . . . .
. . . . . .
TRM6
X
7
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Table 23-2. VREFTRM Register Field Descriptions
Trim Bits 7:0
These bits change the resulting VREF output by ±0.5mV for each step.
Figure 23-2. VREF Trim Register (VREFTRM)
TRM5
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Table 23-3. VREFTRM Register Settings
X
6
TRM4
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
X
5
TRM3
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
X
4
Description
TRM[7:0]
TRM2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
X
3
TRM1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
X
2
TRM0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Voltage Reference (VREF)
X
1
max-0.5
max-1.0
max-1.5
mid+1.5
mid+1.0
mid+0.5
min+1.5
min+1.0
min+0.5
mid-0.5
mid-1.0
mid-1.5
mid-2.0
. . . . . .
. . . . . .
VREF
(mV)
max
mid
min
X
0
23-3
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