MCF52254AF80 Freescale Semiconductor, MCF52254AF80 Datasheet - Page 36

• Manufacturer Part Number: MCF52254AF80
• Description: MCU 32BIT COLDFIRE V2 100LQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF5225xr

Specifications of MCF52254AF80

• Core Processor: Coldfire V2
• Core Size: 32-Bit
• Speed: 80MHz
• Connectivity: CAN, Ethernet, I²C, QSPI, UART/USART, USB OTG
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 56
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x12b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-LQFP
• Processor Series: MCF522x
• Core: ColdFire V2
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: I2C/QSPI/UART
• Maximum Clock Frequency: 80 MHz
• Number Of Programmable I/os: 56
• Number Of Timers: 10
• Operating Supply Voltage: - 0.3 V to + 4 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Development Tools By Supplier: TWR-MCF5225X, TWR-SENSOR-PAK, TWR-SER, TWR-ELEV, TOWER, M52259EVB, M52259DEMOKIT
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8-ch x 12-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2.13
Freescale Semiconductor
NUM
1
2
G1
G2
G3
G4
•
NUM
All AC timing is shown with respect to 50% V
During low power STOP, the synchronizers for the RSTI input are bypassed and RSTI is asserted asynchronously to the
system. Thus, RSTI must be held a minimum of 100 ns.
R1
R2
R3
R4
25 pF / 25  for low drive
Reset Timing
RSTI input valid to CLKOUT High
CLKOUT High to RSTI Input invalid
RSTI input valid time
CLKOUT High to RSTO Valid
CLKOUT
RSTO
RSTI
CLKOUT High to GPIO Output Invalid
CLKOUT High to GPIO Output Valid
CLKOUT High to GPIO Input Invalid
GPIO Input Valid to CLKOUT High
GPIO Outputs
GPIO Inputs
Figure 12. RSTI and Configuration Override Timing
Table 22. Reset and Configuration Override Timing
2
1R1
Characteristic
CLKOUT
Characteristic
(V
MCF52259 ColdFire Microcontroller, Rev. 4
DD
= 3.0 to 3.6 V, V
Figure 11. GPIO Timing
R3
Table 21. GPIO Timing
DD
G3
levels unless otherwise noted.
SS
G1
R2
G4
= 0 V, T
R4
A
= T
Symbol
t
Symbol
t
CHPOV
t
t
CHPOI
t
PVCH
L
t
CHROV
CHPI
G2
t
t
RVCH
CHRI
RIVT
to T
H
)
1
Min
1.5
1.5
Min
—
1.5
9
—
9
5
R4
Electrical Characteristics
Max
Max
10
—
—
—
10
—
—
—
Unit
t
CYC
ns
ns
ns
Unit
ns
ns
ns
ns
36