
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 9
4 Freescale Semiconductor
Table 2 shows the functional differences between the different parts in the i.MX25 family.
Table 2. i.MX25 Parts Functional Differences
Features MCIMX253 MCIMX257 MCIMX258
Core ARM926EJ-S™ ARM926EJ-S™ ARM926EJ-S™
CPU Speed 400 MHz 400 MHz 400 MHz
L1 I/D Cache 16K I/D 16K I/D 16K I/D
On-chip SRAM 128 KB 128 KB 128 KB
PATA/C E-ATA Yes Yes Yes
LCD Controller Yes Yes Yes
Touchscreen — Yes Yes
CSI — Yes Yes
FlexCAN (2) — Yes Yes
ESAI — Yes Yes
SIM (2) — Yes Yes
Security — — Yes
10/100 Ethernet Yes Yes Yes
HS USB 2.0 OTG + PHY Yes Yes Yes
HS USB 2.0 Host + PHY Yes Yes Yes
12-bit ADC Yes Yes Yes
SD/SDIO/MMC (2) Yes Yes Yes
External Memory Controller Yes Yes Yes
I
2
C (3) Yes Yes Yes
SSI/I2S (2) Yes Yes Yes
CSPI (2) Yes Yes Yes
UART (5) Yes Yes Yes
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