LH7A404 Sharp Electronics, LH7A404 Datasheet - Page 35

• Manufacturer Part Number: LH7A404
• Manufacturer: Sharp Electronics

Specifications of LH7A404

• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Processing Unit: Microcontroller
• Operating Supply Voltage (min): 1.71V
• Operating Supply Voltage (typ): 1.8V
• Operating Supply Voltage (max): 1.89V
• Package Type: CABGA
• Pin Count: 324
• Mounting: Surface Mount
• Rad Hardened: No
• Lead Free Status / RoHS Status: Not Compliant

32-Bit System-on-Chip
AC Specifications
tions following an internal reference clock signal.
The illustration in Figure 7 represents all cases of
these sets of measurement parameters.
• HCLK, internal System Bus clock (‘C’ in timing data)
• PCLK, the Peripheral Bus clock
• SSPCLK, the Synchronous Serial Port clock
• UARTCLK, the UART Interface clock
• LCDDCLK, the LCD Data clock from the
• ACBITCLK, the AC97 and ACI clock
• SCLK, the Synchronous Memory clock.
point of the clock to the 50% point of the signal.
Data Sheet
LCD Controller
All signals described in Table 12 relate to transi-
The reference clock signals in this design are:
All signal transitions are measured from the 50%
REFERENCE
OUTPUT
SIGNAL (O)
INPUT
SIGNAL (I)
CLOCK
Figure 7. LH7A404 Signal Timing
tOVXXX
Version 1.5
represents the amount of time for the output to become
valid from the rising edge of the reference clock signal.
Maximum requirements for tOVXXX are shown in
Table 12.
amount of time the output must be held valid after the
rising edge of the reference clock signal. Minimum
requirements for tOHXXX are listed in Table 12.
amount of setup time the input signal must be valid after
a valid address bus, or rising edge of the peripheral
clock. Maximum requirements for tISXXX are shown in
Table 12.
amount of time the output must be held valid following
the rising edge of the reference clock signal. Minimum
requirements are shown in Table 12.
tISXXX tIHXXX
For outputs from the LH7A404, tOVXXX (e.g. tOVA)
The signal tOHXXX (e.g. tOHA) represents the
For inputs, tISXXX (e.g. tISD) represents the
The signal tIHXXX (e.g. tIHD) represents the
tOHXXX
LH7A404
LH7A404-9
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