MCF51QU64VHS Freescale Semiconductor, MCF51QU64VHS Datasheet - Page 32

• Manufacturer Part Number: MCF51QU64VHS
• Description: 32-bit Microcontrollers - MCU COLDFIREV1 64K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of MCF51QU64VHS

• Rohs: yes
• Core: ColdFire V1
• Processor Series: MCF51QU128
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.71 V to 3.6 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: QFN-44
• Mounting Style: SMD/SMT

Memories and memory interfaces
6.4.2 EzPort Switching Specifications
All timing is shown with respect to a maximum pin load of 50 pF and input signal
transitions of 3 ns.
32
EP1a
Num
EP1
EP2
EP3
EP4
EP5
Operating voltage
EZP_CK frequency of operation (all commands except
READ)
EZP_CK frequency of operation (READ command)
EZP_CS negation to next EZP_CS assertion
EZP_CS input valid to EZP_CK high (setup)
EZP_CK high to EZP_CS input invalid (hold)
EZP_D input valid to EZP_CK high (setup)
Description
Figure 5. EEPROM backup writes to FlexRAM
Table 21. EzPort switching specifications
MCF51QU128 Data Sheet, Rev. 4, 01/2012.
Table continues on the next page...
2 x t
Min.
2.7
0.0
15
15
—
—
EZP_CK
Freescale Semiconductor, Inc.
f
f
Max.
SYS
SYS
3.6
—
—
—
—
/2
/8
MHz
MHz
Unit
ns
ns
ns
ns
V