PCF51AC256BCFUE Freescale Semiconductor, PCF51AC256BCFUE Datasheet - Page 25

• Manufacturer Part Number: PCF51AC256BCFUE
• Description: MCU 8BIT 256K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: MCF51ACr

Specifications of PCF51AC256BCFUE

• Core Processor: Coldfire V1
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, SCI, SPI
• Peripherals: LVD, PWM, WDT
• Number Of I /o: 54
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 20x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: 2xSCI, 2xSPI
• Maximum Clock Frequency: 200 KHz
• Number Of Programmable I/os: 69
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 24 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

2.7
Freescale Semiconductor
Num
1
2
3
4
5
6
7
8
—
C
D
D
D
D
D
T
P
Analog Comparator (ACMP) Electricals
Supply voltage
Supply current (active)
Analog input voltage
Analog input offset voltage
Analog comparator hysteresis
Analog input leakage current
Analog comparator initialization delay
Bandgap voltage reference
factory trimmed at V
Figure 8. Typical Run I
Table 12. Analog Comparator Electrical Specifications
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.6
DD
Rating
= 5.3248 V, Temp = 25 C
DD
vs. System Clock Freq. for FEI and FBE Modes
Symbol
I
I
t
V
DDAC
V
ALKG
V
AINIT
V
V
AIN
AIO
DD
BG
H
V
SS
1.18
Min
2.7
3.0
—
—
—
—
– 0.3
Typical
1.20
6.0
20
20
—
—
—
—
Electrical Characteristics
Max
20.0
1.21
V
5.5
1.0
1.0
35
40
DD
Unit
mV
mV
A
A
s
V
V
V
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