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M9328MX21ADSE User’s Manual, Rev. A
Freescale Semiconductor 3-3
Table 3-1. CPU to Base Board PX1/PY1 Connector Signals
Pin(s) Signal Description
1 OE_ACD OUTPUT ENABLE / ALTERNATE CRYSTAL DIRECTION
2, 7,
30, 62
VCC +3.0 VDC power
3 FLM_VSYNC_SPS FIRST LINE MARKER / VERTICAL SYNCHRONIZATION
4 CONTRAST LCD bias voltage used as contrast control
5 SPL_SPR SAMPLING LEFT to RIGHT— Horizontal scan direction
6 LP_HSYNC LINE PULSE / HORIZONTAL SYNCHRONIZATION
8 PS Control signal output for source driver (Sharp panel dedicated signal)
9 CLS Start signal output for gate driver. Inverted version of PS (Sharp panel dedicated signal)
10 REV Signal for common electrode driving signal preparation (Sharp panel dedicated signal)
11 LSCLK LCD SHIFT CLOCK — Output to LCD
12 LD17_R5 LCD DATA 17 / RED BIT 5 — Output data to LCO
13 LD16_R4 LCD DATA 16 / RED BIT 4 — Output data to LCD
14 LD15_R3 LCD DATA 15 / RED BIT 3 — Output data to LCD
15 LD14_R2 LCD DATA 14 / RED BIT 2 — Output data to LCD
16 LD13_R1 LCD DATA 13 / RED BIT 1 — Output data to LCD
17 LD12_R0 LCD DATA 12 / RED BIT 0 — Output data to LCD
18 LD11_G5 LCD DATA 11 / GREEN BIT 5 — Output data to LCD
19 LD10_G4 LCD DATA 10 / GREEN BIT 4 — Output data to LCD
20 LD9_G3 LCD DATA 9 / GREEN BIT 3 — Output data to LCD
21 LD8_G2 LCD DATA 8 / GREEN BIT 2 — Output data to LCD
22 LD7_G1 LCD DATA 7 / GREEN BIT 1 — Output data to LCD
23 LD6_G0 LCD DATA 6 / GREEN BIT 0 — Output data to LCD
24 LD5_B5 LCD DATA 5 / BLUE BIT 5 — Output data to LCD
25 LD4_B4 LCD DATA 4 / BLUE BIT 4 — Output data to LCD
26 LD3_B3 LCD DATA 3 / BLUE BIT 3 — Output data to LCD
27 LD2_B2 LCD DATA 2 / BLUE BIT 2 — Output data to LCD
28 LD1_B1 LCD DATA 1 / BLUE BIT 1 — Output data to LCD
29 LD0_B0 LCD DATA 0 / BLUE BIT 0 — Output data to LCD
31 UART3_RXD UART3 RECEIVED DATA — Serial input signal