
Freescale Semiconductor i.MX27 PDK 1.0 Hardware User's Guide, Rev. 1.0
5-9
Signal Pin Description
HDD_CS1 D30 HDD Control Block Registers selection
HDD_RESET_B D31 HDD reset signal
ATA_ENABLE_B D32 HDD buffer enable signal
ATA_DIR D33 HDD buffer direction signal
USB_OTG_D_MINUS D50 USB OTG data minus
AUDIO_LIN_R E1 Audio Line in right
MIC_IN_P E3 Microphone amplifier input
MIC_BIAS E4 Microphone supply output with integrated
bias resistor and detect
HEADPHONE_DETECT E5 Headphone TV-Out insert detect
ADC_1 E6 ADC input 1(To distinguish the headphone
or TV-Out insert)
ADC_2 E7 ADC input 2 (SD card write protect detect)
ADC_3 E9 ADC input 3
ADC_4 E10 ADC input 4
ADC_5 E11 ADC input 5
ADC_6 E12 ADC input 6
USB-HS-D0 E15 USB Host Data 0
USB-HS-D1 E16 USB Host Data 1
USB-HS-D2 E17 USB Host Data 2
USB-HS-D3 E18 USB Host Data 3
USB-HS_STP E19 USB Host ULPI Stop signal
USB-HS-CLK E20 USB Host ULPI Clock
HDD_D0 E22 HDD Data 0
HDD_D1 E23 HDD Data 1
HDD_D2 E24 HDD Data 2
HDD_D3 E26 HDD Data 3
HDD_D4 E27 HDD Data 4
HDD_D5 E28 HDD Data 5
HDD_D6 E30 HDD Data 6
HDD_D7 E31 HDD Data 7
HDD_D8 E32 HDD Data 8
HDD_D9 E34 HDD Data 9
HDD_D10 E35 HDD Data 10
HDD_D11 E36 HDD Data 11
HDD_D12 E38 HDD Data 12
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