MCIMX27ADSE Freescale Semiconductor, MCIMX27ADSE Datasheet - Page 50

• Manufacturer Part Number: MCIMX27ADSE
• Description: KIT APPLICATION DEV ADS I.MX27
• Manufacturer: Freescale Semiconductor
• Series: i.MXr
• Type: Microcontrollerr

Specifications of MCIMX27ADSE

• Contents: Main Board, LCD Panel, Keypad, NAND Flash Card, Image Sensor and TV Encoder Card
• Silicon Manufacturer: Freescale
• Core Architecture: ARM
• Core Sub-architecture: ARM9
• Silicon Core Number: I.MX2
• Silicon Family Name: I.MX27
• Supported Devices: I.MX27
• Rohs Compliant: Yes
• For Use With/related Products: i.MX27
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Support Information
3.13
P17 and P18 are the SD/MMC connectors. Figure 3-16 shows pin assignments. Table 3-16 describes P17
signals and Table 3-17 describes P18 signals.
3-16
SD/MMC Connectors
Pin(s)
10
11
12
16
The SD/MMC2 signals are multiplexed with Memory Stick signals.
Therefore, the signals from SD/MMC2 (P18) are disconnected from the
MCU by jumpers (J72-J77) in order to reduce the bus loading from Memory
Stick (J16). The jumpers need to install in J72-J77 to enable SD/MMC2.
1
2
3
4
5
6
7
8
9
CPLD_SD1_DET
CPLD_SD1_WP
Table 3-16. SD/MMC Connector P6 Signal Descriptions
PM_VMMC1
Figure 3-16. SD/MMC Connector P6 Pin Assignments
SD1_DAT3
SD1_DAT0
SD1_DAT1
SD1_DAT2
SD1_CMD
SD1_CLK
Signal
GND
GND
GND
NC
MCIMX27ADSE User’s Manual, Rev. A
12
11
10
DATA LINE 3
DATA LINE 1
DATA LINE 2
MMC Card
8
7
6
NOTE
5
WRITE PROTECT DETECT FROM CPLD
4
Card power supply from MC13783
3
CARD DETECT FROM CPLD
2
COMMAND/RESPONSE
INTERRUPT (IRQ)
READWAIT (RW)
1
NO CONNECTION
9
1-Bit Mode
CLOCK INPUT
Not Used
DATA LINE 0
Description
13
GROUND
GROUND
GROUND
16
SD Card
DATA LINE 1 or IRQ
DATA LINE 2or IRQ
DATA LINE 3
4-Bit Mode
Freescale Semiconductor