MCIMX31 Motorola Semiconductor Products, MCIMX31 Datasheet - Page 90

• Manufacturer Part Number: MCIMX31
• Manufacturer: Motorola Semiconductor Products

Electrical Characteristics
4.3.20.2.2
The sequence of reset for this kind of card is as follows (see
90
1. After powerup, the clock signal is enabled on CLK (time T0)
2. After 200 clock cycles, RX must be high.
3. RST must remain Low for at least 40000 clock cycles after T0 (no response is to be received on
4. RST is set High (time T1)
5. RST must remain High for at least 40000 clock cycles after T1 and a response must be received
RST
SVEN
CLK
RX
SVEN
CLK
RX
RX during those 40000 clock cycles)
on RX between 400 and 40000 clock cycles after T1.
Cards with Active Low Reset
T0
T0
1
1
2
Figure 74. Active-Low-Reset Card Reset Sequence
Figure 73. Internal-Reset Card Reset Sequence
MCIMX31/MCIMX31L Advance Information, Rev. 3.2
Preliminary—Subject to Change Without Notice
3
response
T1
400000 clock cycles <
400 clock cycles <
400 clock cycles <
Figure
2
74):
3
2
1
1
2
3
< 200 clock cycles
< 200 clock cycles
< 40000 clock cycles
< 40000 clock cycles
response
Freescale Semiconductor