PCF51AC256BCFUE Freescale Semiconductor, PCF51AC256BCFUE Datasheet - Page 27

• 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

Num
Freescale Semiconductor
1
2
3
4
5
6
C
D
P
T
T
T
T
V
AS
Supply current
ADLPC = 1
ADLSMP = 1
ADCO = 1
Supply current
ADLPC = 1
ADLSM = 0
ADCO = 1
Supply current
ADLPC = 0
ADLSMP = 1
ADCO = 1
Supply current
ADLPC = 0
ADLSMP = 0
ADCO = 1
Supply current
ADC
asynchronous
clock source
Characteristic
+
–
Table 14. 5 Volt 12-bit ADC Characteristics (V
R
AS
Figure 9. ADC Input Impedance Equivalency Diagram
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.6
Stop, reset, module off
High speed (ADLPC = 0)
Low power (ADLPC = 1)
C
AS
Z
AS
Conditions
V
+
–
ADIN
INPUT PIN EQUIVALENT
Pad
leakage
due to
input
protection
INPUT PIN
INPUT PIN
INPUT PIN
SIMPLIFIED
CIRCUIT
f
Symb
ADACK
I
I
I
I
I
DDA
DDA
DDA
DDA
DDA
REFH
1.25
Min
—
—
—
—
—
2
Z
= V
ADIN
DDA
CHANNEL SELECT
Typical
0.582
0.011
R
R
R
R
133
218
327
3.3
SIMPLIFIED
, V
ADIN
ADIN
ADIN
ADIN
2
CIRCUIT
REFL
1
= V
Max
3.3
—
—
—
1
1
5
Electrical Characteristics
SSA
)
C
MHz
Unit
mA
ADIN
A
A
A
A
ADC SAR
ENGINE
Comment
t
1/f
ADACK
ADACK
27
=