LH79520N0M000B1 Sharp Microelectronics, LH79520N0M000B1 Datasheet - Page 27

• Manufacturer Part Number: LH79520N0M000B1
• Description: IC ARM7 BLUESTREAK MCU 176LQFP
• Manufacturer: Sharp Microelectronics
• Series: BlueStreak ; LH7r

Specifications of LH79520N0M000B1

• Rohs Status: RoHS non-compliant
• Core Processor: ARM7
• Core Size: 32-Bit
• Speed: 77.4MHz
• Connectivity: IrDA, Microwire, SPI, SSP, UART/USART
• Peripherals: DMA, LCD, PWM, WDT
• Number Of I /o: 64
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 176-LQFP
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Other names: 425-1820; LH79520N0M000

System-on-Chip
AC Specifications (Industrial)
Preliminary Data Sheet
D[31:0]
nCS6 - nCS0 Output 30 pF
nBLE[3:0]
nWE
nOE
nWAIT
A[25:0]
D[31:0]
nCAS
nRAS
nSDWE
SDCKE
DQM[3:0]
nSDCS[1:0]
SDCLK
SIGNAL
Output 50 pF
Output 30 pF
Output 30 pF
Output 30 pF
Output 50 pF
Output 50 pF
Output 50 pF
Output 30 pF
Output 30 pF
Output 30 pF
Output 30 pF
Output 30 pF
Ouput 50 pF
TYPE LOAD DRIVE
Input
Input
Input
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
Table 7. AC Signal Characteristics (Industrial)
ASYNCHRONOUS MEMORY INTERFACE SIGNALS
SYNCHRONOUS MEMORY INTERFACE SIGNALS
SYMBOL
tOHSDW
tOHBEW
tOVSDW
tOHBER
tISWAIT
tSDCLK
tOVWE
tOHWE
tOHDQ
tOHCS
tOVOE
tOHOE
tOHCA
tOHRA
tOVDQ
tOHSC
tOVCS
tOVBE
tOVCA
tOVRA
tOVC0
tOHC0
tOVSC
tOHD
tOHD
tOVD
tOVA
tOVD
tIDD
tISD
tIDD
3 × tHCLK - 6 ns
3 × tHCLK - 6 ns
2 × tHCLK - 6 ns
3 × tHCLK - 6 ns
2 × tHCLK - 6 ns
3 × tHCLK - 6 ns
9/10/03
19.37 ns
1.2 ns
1.5 ns
MIN.
5 ns
2 ns
2 ns
2 ns
2 ns
2 ns
2 ns
2 × tHCLK – 18 ns
2 × tHCLK – 18 ns
tHCLK + 6.5 ns
tHCLK + 10 ns
tHCLK + 10 ns
tHCLK + 10 ns
tHCLK + 6 ns
10.5 ns
11.5 ns
MAX.
11 ns
11 ns
11 ns
11 ns
11 ns
11 ns
Data Output Valid, following
Address Valid
Data Output Invalid, following
Address Valid
Data Input Valid, following
Address Valid
Chip Select Output Valid,
following Address Valid
Chip Select Output Invalid,
following Address Valid
Byte Lane Enable Valid,
following Address Valid
Byte Lane Enable Invalid, follow-
ing Address Valid; Write Cycle
Byte Lane Enable Invalid, follow-
ing Address Valid; Read Cycle
Write Enable Valid, following
Address Valid
Write Enable Invalid, following
Address Valid
Ouput Enable Valid, following
Address Valid
Ouput Enable Invalid, following
Address Valid
WAIT Input Valid, following
Address Valid
Address Valid
Output Data Valid
Output Data Hold
Input Data Setup
Input Data Hold
CAS Valid
CAS Hold
RAS Valid
RAS Hold
SDWE Write Enable Valid
SDWE Write Enable Hold
SDCKE Clock Enable Valid
SDCKE Clock Enable Hold
DQM Data Mask Valid
DQM Data Mask Hold
SDCS Data Mask Valid
SDCS Data Mask Hold
SDRAM Clock Period
DESCRIPTION
LH79520
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