MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 37

• 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

2.11
2.12
This section describes AC timing characteristics for each peripheral system.
Freescale Semiconductor
1
2
3
o
10
N
V
2000 pF Load LCD, frame frequency = 32 Hz
VSUPPLY = 10, BYPASS = 0
1
2
3
4
5
6
7
8
9
IREG
C
D
D
D
D
D
D
D
D
D
Max can not exceed V
LCD Specifications
AC Characteristics
LCD frame frequency
LCD charge pump capacitance
LCD bypass capacitance
LCD glass capacitance
V
V
V
V
V
Figure 14. Deviation of DCO Output from Trimmed Frequency (50.33 MHz, 25 °C)
IREG
IREG
IREG
IREG
LCD
60
50
40
30
20
10
buffered adder
0
trim resolution
ripple
current adder
2.00 V
MCF51EM256 Series ColdFire Microcontroller Data Sheet, Rev.3
DD
2.25 V
3
Characteristic
– 0.15 V
Preliminary—Subject to Change Without Notice
2.50 V
Table 18. LCD Electricals, 3 V Glass
2.75 V
HRefSel = 0
HRefSel = 1
HRefSel = 0
HRefSel = 1
Vdd (V)
3.00 V
RVEN = 1
3.25 V
Symbol
C
Δ
I
f
C
V
C
VIREG
Frame
BYLCD
RTRIM
I
IREG
glass
Buff
3.50 V
LCD
3.75 V
1.49
Min
.89
1.5
28
—
—
—
4.00 V
Typical
2000
1.00
1.67
100
100
30
1
Electrical Characteristics
1
2
HR
MR
LR
1.85
8000
Max
1.15
0.15
100
100
0.1
58
1
V
Unit
Hz
IREG
μA
μA
nF
nF
pF
%
V
V
37