NHPXA270C5C520 Intel, NHPXA270C5C520 Datasheet - Page 80

• Manufacturer Part Number: NHPXA270C5C520
• Description: IC MPU 32BIT 520MHZ 356-PBGA
• Manufacturer: Intel

Specifications of NHPXA270C5C520

• Processor Type: XScale®
• Speed: 520MHz
• Voltage: 1.45V
• Mounting Type: Surface Mount
• Package / Case: 356-PBGA
• For Use With: 460-3472 - KIT DEV ZOOM STARTER FOR PXA270
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Other names: 868459

Intel® PXA270 Processor
AC Timing Specifications
6-16
Figure 6-8. SDRAM 4-Beat Read/4-Beat Write, Different Banks Timing
MD<31:0> (write)
MD<31:0> (read)
MA<24:10>
SDCKE<1>
SDCLK<1>
nSDCS<0>
nSDCS<1>
DQM<3:0>
command
nSDRAS
nSDCAS
RDnWR
NOTES:
1. MDCNFG[DTC] = 0b00 (CL = 2, tRP = 2 clk, tRCD = 1 clk), MDCNFG[STACK] = 0b00
2. See the SDRAM timing diagram.
nWE
read(0) pre(1)
col
bank
0b0000
nop
rd0_0
act(1)
row
rd0_1 rd0_2 rd0_3
nop
Electrical, Mechanical, and Thermal Specification
write(1)
wd1_0 wd1_1 wd1_2 wd1_3
col
0
mask data bytes
1
2
nop
3