TWR-MCF51CN Freescale Semiconductor, TWR-MCF51CN Datasheet - Page 24

• Manufacturer Part Number: TWR-MCF51CN
• Description: KIT TOWER BOARD
• Manufacturer: Freescale Semiconductor
• Series: ColdFire®, Flexis™r
• Type: MCUr

Specifications of TWR-MCF51CN

• Contents: Board
• Product: Microcontroller Modules
• Data Bus Width: 8 bit, 16 bit, 32 bit
• Core Processor: MCF51CN128
• Operating Supply Voltage: 1.8 V to 3.6 V
• Silicon Manufacturer: Freescale
• Core Architecture: Coldfire
• Core Sub-architecture: Coldfire V1
• Silicon Core Number: MCF51
• Silicon Family Name: MCF51CN
• Rohs Compliant: Yes
• For Use With/related Products: Freescale Tower System, MCF51CN128
• For Use With: TWR-ELEV - TOWER ELEVATOR BOARDS HARDWARE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Characteristics
3.11
The following timing specs are defined at the chip I/O pin and must be translated appropriately to arrive at timing
specs/constraints for the physical interface.
3.11.1
The following timing specs meet the requirements for MII and 7-Wire style interfaces for a range of transceiver devices.
24
Num
E1
E2
E3
E4
—
Fast Ethernet Timing Specifications
8-bit Non-Mux’d Bus
—
Receive Signal Timing Specifications
C
P
D
D
D
16-bit Mux’d Bus
RXCLK frequency
RXD[3:0], RXDV, RXER to RXCLK setup
RXCLK to RXD[3:0], RXDV, RXER hold
RXCLK pulse width high
RXCLK pulse width low
MCF51CN128 ColdFire Microcontroller Data Sheet, Rev. 4
FB_AD[19:16]
FB_AD[19:8]
FB_AD[7:0]
FB_AD[15:0]
FB_CLK
FB_R/W
FB_CSn
Figure 14. Mini-FlexBus Write Timing
FB_ALE
FB_OE
Characteristic
Table 13. Receive Signal Timing
ADDR[7:0]
S0
ADDR[15:0]
MB1
MB2
ADDR[19:8]
ADDR[19:16]
S1
DATA[15:0]
DATA[7:0]
S2
35%
35%
Min
—
5
5
MII Mode
MB3
S3
65%
65%
Max
25
—
—
Freescale Semiconductor
S0
RXCLK period
RXCLK period
MHz
Unit
ns
ns