
Support Information
M9328MX21ADSE User’s Manual, Rev. A
3-30
Freescale Semiconductor
Table 3-18. Extension Connector PE2 Signal Description
Pin(s)
Signal
Description
A1
SD1_CLK
SD/MMC CLOCK — Clock output to SD/MMC card
A2
SD1_CMD
SD/MMC COMMAND — Serial command bit to SD/MMC card, bidirectional
A3
SD1_D3
SD/MMC DATA BIT 3 — Serial data bit to SD/MMC card, bidirectional
A4
SD1_D2
SD/MMC DATA BIT 2 — Serial data bit to SD/MMC card, bidirectional
A5
SD1_D1
SD/MMC DATA BIT 1 — Serial data bit to SD/MMC card, bidirectional
A6
SD1_D0
SD/MMC DATA BIT 0 — Serial data bit to SD/MMC card, bidirectional
A7
UART1_RTS
UART1 REQUEST TO SEND — Active low input signal
A8
UART1_CTS
UART1 CLEAR TO SEND — Active low output signal
A9
UART1_RXD
UART1 RECEIVED DATA — Serial input signal
A10
UART1_TXD
UART1 TRANSMITTED DATA — Serial output signal
A11
UART3_RTS
UART3 REQUEST TO SEND — Active low input signal
A12
UART3_CTS
UART3 CLEAR TO SEND — Active low output signal
A13
UART3_RXD
UART3 RECEIVED DATA — Serial input signal
A14
UART3_TXD
UART3 TRANSMITTED DATA — Serial output signal
A15
UART2_RTS
UART2 REQUEST TO SEND — Active low input signal
A16
UART2_CTS
UART2 CLEAR TO SEND — Active low output signal
B1
KP_ROW5
KEYPAD ROW 5 — Bidirectional signal used to scan a keypad
B2
KP_ROW4
KEYPAD ROW 4 — Bidirectional signal used to scan a keypad
B3
KP_ROW3
KEYPAD ROW 3 — Bidirectional signal used to scan a keypad
B4
KP_ROW2
KEYPAD ROW 2 — Bidirectional signal used to scan a keypad
B5
KP_ROW1
KEYPAD ROW 1 — Bidirectional signal used to scan a keypad
B6
KP_ROW0
KEYPAD ROW 0 — Bidirectional signal used to scan a keypad
B7
KP_COL5
KEYPAD COLUMN 5 — Bidirectional signal used to scan a keypad
B8
KP_COL4
KEYPAD COLUMN 4 — Bidirectional signal used to scan a keypad
B9
KP_COL3
KEYPAD COLUMN 3 — Bidirectional signal used to scan a keypad
B10
KP_COL2
KEYPAD COLUMN 2 — Bidirectional signal used to scan a keypad
B11
KP_COL1
KEYPAD COLUMN 1 — Bidirectional signal used to scan a keypad
B12
KP_COL0
KEYPAD COLUMN 0 — Bidirectional signal used to scan a keypad
B13
SAP_RXD
SYCHRONOUS AUDIO PORT RECEIVED DATA — serial data input
B14
SAP_FS
SYCHRONOUS AUDIO PORT FRAME SYNC — Bidirectional, output in master mode,
input in slave mode
Содержание M9328MX21ADSE
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