AT91SAM9261SB-CU-999 Atmel, AT91SAM9261SB-CU-999 Datasheet - Page 167

• Manufacturer Part Number: AT91SAM9261SB-CU-999
• Description: IC MCU ARM9 ULTRA LP 217LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9261SB-CU-999

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 190MHz
• Connectivity: EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: DMA, LCD, POR, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: ROM
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.08 V ~ 1.32 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 217-LFBGA
• Processor Series: AT91SAMx
• Core: ARM926EJ-S
• Data Bus Width: 32 bit
• Data Ram Size: 16 KB
• Interface Type: 2-Wire, I2S, SPI, USB
• Maximum Clock Frequency: 190 MHz
• Number Of Programmable I/os: 96
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM9261-EK
• Minimum Operating Temperature: - 40 C
• For Use With: AT91SAM9261-EK - KIT EVAL FOR AT91SAM926EJ-SAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Table 22-3.
6242E–ATARM–11-Sep09
Signal Name
Device Type
Byte Access Type (BAT)
NBS0_A0
NWE_NWR0
NBS1_NWR1
NBS2_NWR2_A1
NBS3_NWR3
SMC Multiplexed Signal Translation
Figure 22-7. Connection of 2x16-bit Data Bus on a 32-bit Data Bus (Byte Select Option)
Byte Select
1x32-bit
NBS0
NBS1
NBS2
NBS3
NWE
Byte Select
32-bit Bus
2x16-bit
NBS0
NBS1
NBS2
NBS3
SMC
NWE
D[31:16]
D[15:0]
NCS[3]
A[25:2]
NBS0
NBS1
NBS2
NBS3
NRD
NWE
Byte Write
4 x 8-bit
NWR0
NWR1
NWR2
NWR3
Byte Select
1x16-bit
NBS0
NBS1
NWE
A1
16-bit Bus
A[23:0]
Low Byte Enable
High Byte Enable
Read Enable
Memory Enable
D[15:0]
A[23:0]
Write Enable
D[31:16]
Write Enable
Low Byte Enable
High Byte Enable
Read Enable
Memory Enable
AT91SAM9261S
Byte Write
2 x 8-bit
NWR0
NWR1
A1
8-bit Bus
1 x 8-bit
NWE
A0
A1
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