LH7A400N0F000B5 Sharp Microelectronics, LH7A400N0F000B5 Datasheet - Page 45

• Manufacturer Part Number: LH7A400N0F000B5
• Description: IC ARM9 BLUESTREAK MCU 256CABGA
• Manufacturer: Sharp Microelectronics
• Series: BlueStreak ; LH7Ar

Specifications of LH7A400N0F000B5

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: Audio CODEC, EBI/EMI, IrDA, MMC, SmartCard, SSP, UART/USART, USB
• Peripherals: AC'97, DMA, LCD, POR, PWM, WDT
• Number Of I /o: 60
• Program Memory Type: ROMless
• Ram Size: 80K x 8
• Voltage - Supply (vcc/vdd): 1.71 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-CABGA
• Data Bus Width: 32 bit
• Data Ram Size: 80 KB
• Maximum Clock Frequency: 250 MHz
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

32-Bit System-on-Chip
Synchronous Memory Controller Waveforms
chronous Burst Read (page already open). Figure 13
shows the waveform and timing for Synchronous mem-
ory to Activate a Bank and Write.
Data Sheet
NOTES:
1. SDRAMcmd is the combination of nRAS, nCAS, nSWE, and nSCSx.
2. tOVXXX represents tOVRA, tOVCA, tOVSVW, or tOVSC.
3. tOHXXX represents tOHRA, tOHCA, tOHSVW, or tOHSC.
4. DQM[3:0] is static LOW.
5. SCKE is static HIGH.
SDRAMcmd
NOTES:
1. SDRAMcmd is the combination of nRAS, nCAS, nSWE, and nSCSx.
2. tOVXXX represents tOVRA, tOVCA, tOVSVW, or tOVSC. Refer to the AC timing table.
3. tOHXXX represents tOHRA, tOHCA, tOHSVW, or tOHSC.
Figure 12 shows the waveform and timing for a Syn-
SA[13:0],
SDRAMcmd
SB[1:0]
D[31:0]
nDQM
SCLK
SA[13:0],
SB[1:0]
D[31:0]
SCKE
SCLK
t SCLK
tSCLK
Figure 13. Synchronous Bank Activate and Write
t OVXXX
tOVA
Figure 12. Synchronous Burst Read
READ
COLUMN
BANK,
t OHXXX
t OVA
tOVC
Version 1.0
tOVA
tOVXXX
ACTIVE
tISD tIHD
BANK,
tOHXXX
tOVA
ROW
DATA n
DATA n + 1
DATA n + 2
DATA n + 3
tOVD
WRITE
COLUMN
DATA
BANK,
tOHD
LH7A400
LH7A400-23
LH7A400-24
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