MC56F8006DEMO Freescale Semiconductor, MC56F8006DEMO Datasheet - Page 63

• Manufacturer Part Number: MC56F8006DEMO
• Description: DEMO BOARD FOR MC56F8006
• Manufacturer: Freescale Semiconductor
• Type: DSPr

Specifications of MC56F8006DEMO

• Contents: Board
• Processor To Be Evaluated: MC56F8006
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3.3 V
• Silicon Manufacturer: Freescale
• Core Architecture: 56800/E
• Core Sub-architecture: 56800/E
• Silicon Core Number: MC56F
• Silicon Family Name: MC56F80xx
• Rohs Compliant: Yes
• For Use With/related Products: MC56F8006
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8.16
Freescale Semiconductor
1
2
3
ADC conversion
Input resistance
Characteristic
Analog source
Typical values assume V
reference only and are not tested in production.
V
V
Input voltage
capacitance
resistance
REFL
REFH
clock freq.
Input
V
= V
AS
= V
ADC Specifications
SSA
DDA
+
–
12-bit mode
10-bit mode
8-bit mode (all valid f
High speed (ADLPC=0)
Low power (ADLPC=1)
R
AS
f
f
f
f
ADCK
ADCK
ADCK
ADCK
DDAD
Conditions
Figure 35. ADC Input Impedance Equivalency Diagram
> 4 MHz
< 4 MHz
> 4 MHz
< 4 MHz
MC56F8006/MC56F8002 Digital Signal Controller, Rev. 3
= 3.0 V, Temp = 25 C, f
C
AS
Z
AS
ADCK
Table 35. ADC Operating Conditions
)
V
+
–
ADIN
Input Pin Equivalent
Symb
C
R
V
f
INPUT PIN
INPUT PIN
INPUT PIN
Pad
leakage
due to
input
protection
ADCK
R
ADIN
ADIN
ADIN
AS
ADCK
Simplified
Circuit
= 1.0 MHz unless otherwise stated. Typical values are for
V
REFL
Min
0.4
0.4
—
—
—
—
—
—
—
2
Typ
4.5
—
—
—
—
—
—
—
—
5
Z
1
ADIN
Channel Select
V
R
R
R
R
Max
REFH
5.5
8.0
4.0
10
10
Simplified
ADIN
ADIN
ADIN
ADIN
7
2
5
5
Circuit
3
Unit
MHz
k
k
pF
V
C
External to MCU
ADIN
ADC SAR
Engine
Comment
Specifications
63