LH7A400 查看數據表（PDF） - Sharp Electronics
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LH7A400 Datasheet PDF : 53 Pages
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LH7A400
32-Bit System-on-Chip
PBGA CABGA
PIN PIN
SIGNAL
R5
P7
PH6/
AC97RESET
T5
T6
PH7/nPC-
STATRE
R6
T7 LCDFP
R8
R9 LCDLP
P9
P9
LCDENAB/
LCDM
N9
N9 LCDDCLK
P7
M8 LCDVD0
R7
P8 LCDVD1
T7
R8 LCDVD2
N8
T8 LCDVD3
T15 T16 USBDP
Table 1. Functional Pin List (Cont’d)
DESCRIPTION
RESET
STATE
• GPIO Port H
• Audio Codec (AC97) Reset
• GPIO Port H
• Status Read Enable for PC Card (PCMCIA or
CompactFlash) in single or dual card mode
LCD Frame Synchronization pulse
LCD Line Synchronization pulse
• LCD TFT Data Enable
• LCD STN AC Bias
LCD Data Clock
Input: PH6
Input: PH7
LOW
LOW
LOW:
LCDENAB
LOW
LCD Video Data Bus
LOW
USB Data Positive (Differential Pair)
Input
T16 R16 USBDN
USB Data Negative (Differential Pair)
Input
E7
C7 nPWME0
DC-DC Converter Pulse Width
Modulator 0 Enable
Input
D7
A6 nPWME1
DC-DC Converter Pulse Width
Modulator 1 Enable
Input
C7
B6 PWM0
DC-DC Converter Pulse Width
Modulator 0 Output during normal operation and Input
Polarity Selection input at reset
B7
B5 PWM1
DC-DC Converter Pulse Width
Modulator 1 Output during normal operation and Input
Polarity Selection input at reset
C4
A2 ACBITCLK
• Audio Codec (AC97) Clock
• Audio Codec (ACI) Clock
Input
D5
A1 ACOUT
• Audio Codec (AC97) Output
• Audio Codec (ACI) Output
LOW
B4
B2 ACSYNC
• Audio Codec (AC97) Synchronization
• Audio Codec (ACI) Synchronization
LOW
A4
E6 ACIN
• Audio Codec (AC97) Input
• Audio Codec (ACI) Input
Input
A3
C3
MMCCLK/
MMSPICLK
• MultiMediaCard Clock (20 MHz MAX.)
• MultiMediaCard SPI Mode Clock
LOW:
MMCCLK
B3
B1
MMCCMD/
MMSPIDIN
• MultiMediaCard Command
• MultiMediaCard SPI Mode Data Input
Input:
MMCCMD
A2
D4
MMCDATA/ • MultiMediaCard Data
MMSPIDOUT • MultiMediaCard SPI Mode Data Output
Input:
MMCDATA
E2
E1 UARTCTS2
UART2 Clear to Send Signal. This pin is an out-
put for JTAG boundary scan only.
Input
E3
F3
UARTDCD2
UART2 Data Carrier Detect Signal. This pin is out-
put for JTAG boundary scan only.
Input
E5
G4 UARTDSR2 UART2 Data Set Ready Signal
Input
F2
G5 UARTIRTX1 IrDA Transmit
LOW
F3
G6
UARTIRRX1
IrDA Receive. This pin is an output for JTAG
boundary scan only.
Input
F4
F1 UARTTX2
UART2 Transmit Data Output
HIGH
STANDBY OUTPUT
STATE
DRIVE
No Change 8 mA
No Change 8 mA
LOW
LOW
LOW
LOW
12 mA
12 mA
12 mA
12 mA
LOW
12 mA
Input
Input
Input
Input
Input
75 mA
(NOM.)
75 mA
(NOM.)
8 mA
Input
Input
LOW
LOW
Input
LOW
Input
Input
Input
Input
Input
LOW
Input
HIGH
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
10
12/8/03
Preliminary Data Sheet
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