PCF51AC128ACFUE Freescale Semiconductor, PCF51AC128ACFUE Datasheet - Page 34

• Manufacturer Part Number: PCF51AC128ACFUE
• Description: MCU 8BIT 128K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: MCF51ACr

Specifications of PCF51AC128ACFUE

• Core Processor: Coldfire V1
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CAN, I²C, SCI, SPI
• Peripherals: LVD, PWM, WDT
• Number Of I /o: 54
• Program Memory Size: 128KB (128K 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Electrical Characteristics
2.12
Table 20
34
No.
10
11
12
—
1
2
3
4
5
6
7
8
9
and
SPI Characteristics
Figure 14
C
D
D
D
D
D
D
D
D
D
D
D
D
D
Operating frequency
SPSCK period
Enable lead time
Enable lag time
Clock (SPSCK) high or low time
Data setup time (inputs)
Data hold time (inputs)
Slave access time
Slave MISO disable time
Data valid (after SPSCK edge)
Data hold time (outputs)
Rise time
Fall time
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Input
Output
Input
Output
through
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.6
Function
Figure 17
describe the timing requirements for the SPI system.
Table 20. SPI Timing
t
Symbol
WSPSCK
t
SPSCK
t
t
Lead
t
t
t
t
t
f
Lag
t
t
t
HO
RO
SU
t
dis
FO
op
t
HI
RI
FI
a
v
f
t
t
Bus
cyc
cyc
Min
12
12
15
15
25
—
—
—
—
—
—
—
—
/2048
0
2
4
1
1
0
0
0
–30
– 30
1024 t
t
t
cyc
cyc
f
f
2048
Max
Bus
Bus
25
25
25
25
—
—
—
—
—
—
—
—
—
—
—
—
1
1
– 25
– 25
/2
/4
Freescale Semiconductor
cyc
t
t
SPSCK
SPSCK
Unit
t
t
t
t
t
t
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc
cyc
cyc
cyc
cyc
cyc