| PartNumber | EP9301-CQZ | EP9301-CQZR | EP9301-CQ |
| Description | Microprocessors - MPU IC Entry-Level ARM9 SOC Processor | Microprocessors - MPU IC Entry-Level ARM9 SOC Processor | IC MPU EP9 166MHZ 208LQFP |
| Manufacturer | Cirrus Logic | Cirrus Logic | Cirrus Logic Inc. |
| Product Category | Microprocessors - MPU | Microprocessors - MPU | Embedded - Microprocessors |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-208 | LQFP-208 | - |
| Series | EP9301 | EP9301 | EP9 |
| Core | ARM920T | ARM920T | - |
| Number of Cores | 1 Core | 1 Core | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 166 MHz | 166 MHz | - |
| L1 Cache Instruction Memory | 16 kB | 16 kB | - |
| L1 Cache Data Memory | 16 kB | 16 kB | - |
| Operating Supply Voltage | 1.8 V | 1.8 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Tube | Tube | Tray |
| Memory Type | L1 Cache | L1 Cache | - |
| Brand | Cirrus Logic | Cirrus Logic | - |
| Interface Type | Audio, Ethernet, I2S, IrDA, SPI, UART, USB | Audio, Ethernet, I2S, IrDA, SPI, UART, USB | - |
| Number of I/Os | 37 I/O | 37 I/O | - |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 2 x 16 bit, 1 x 32 bit, 1 x 40 bit | 2 x 16 bit, 1 x 32 bit, 1 x 40 bit | - |
| Processor Series | EP93xx | EP93xx | - |
| Factory Pack Quantity | 36 | 250 | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Unit Weight | 0.091254 oz | 0.091254 oz | - |
| Package Case | - | - | 208-LQFP |
| Operating Temperature | - | - | 0°C ~ 70°C (TA) |
| Supplier Device Package | - | - | 208-LQFP |
| Voltage I O | - | - | 1.8V, 3.3V |
| Speed | - | - | 166MHz |
| Core Processor | - | - | ARM920T |
| Number of Cores Bus Width | - | - | 1 Core, 32-Bit |
| Co Processors DSP | - | - | - |
| RAM Controllers | - | - | SDRAM |
| Graphics Acceleration | - | - | No |
| Display & Interface Controllers | - | - | - |
| Ethernet | - | - | 1/10/100 Mbps (1) |
| SATA | - | - | - |
| USB | - | - | USB 2.0 (2) |
| Security Features | - | - | Hardware ID |