MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 560

• Manufacturer Part Number: MCF51EM256CLL
• Description: IC MCU 32BIT 256KB FLASH 100LQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF51EMr

Specifications of MCF51EM256CLL

• 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: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K 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: DEMOEM
• 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

Programmable Reference Analog Comparator (PRACMP)
25.3.3
Table 25-6
25-6
Reset
PRGOS[4:0]
W
R
PRGINS
PRGEN
Field
4:0
7
6
PRGEN
list the output configuration of programmable reference generator (PRG).
PRACMP Control Register 1 (PRACMPxC1)
7
0
Programmable Reference Generator Enable — The PRGEN bit starts the Programmable Reference
Generator operation.
Programmable Reference Generator Input Selection
Programmable Reference Generator Output Selection — The output voltage is selected by the following
formula:
V
The V
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
output
0 The PRG system is disabled
1 The PRG system is enabled
0
1
output
= (V
The PRG selects V
The PRG selects V
PRGINS
in
Figure 25-4. PRACMPx Control Register 1 (PRACMPxC1)
range is from V
/32)x(PRGOS[4:0]+1)
6
0
Unimplemented or Reserved
Table 25-5. PRACMPxC1 Field Descriptions
PRGOS[4:0]
Table 25-6. PRG Out Configuration
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
in2
in1
in
5
0
/32 to V
(internal regulated power supply)as the reference voltage
(external power supply)as the reference voltage
in
, the step is V
PRGOS4
Output Voltage of PRG
4
0
Description
10V
11V
12V
13V
14V
15V
1V
2V
3V
4V
5V
6V
7V
8V
9V
in
In
In
In
In
In
In
In
In
In
/32
PRGOS3
In
In
In
In
In
In
/32
/32
/32
/32
/32
/32
/32
/32
/32
/32
/32
/32
/32
/32
/32
3
0
PRGOS2
2
0
PRGOS1
Freescale Semiconductor
1
0
PRGOS0
0
0