51.23 UART Electrical Specifications
AC CHARACTERISTICS | Standard
Operating Conditions: VDDREG=VDDIO=AVDD 1.71V to 3.63V (unless otherwise
stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial | |||||||
---|---|---|---|---|---|---|---|---|
Param. No. | Symbol | Characteristics | Min. | Typ. | Max. | Units | Conditions | |
UT_1A | FBRATE | Baud Rate - Normal Speed SERCOM | Asynchronous SAMPR = 16x mode | — | — | 6.25 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) |
— | — | 6.25 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_3A | Asynchronous SAMPR = 8x mode | — | — | 12.5 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) | ||
— | — | 12.5 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_5A | Asynchronous SAMPR = 3x mode | — | — | 15 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) | ||
— | — | 15 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_19A | Synchronous Mode X2 mode | — | — | 25 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) | ||
— | — | 24 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_21A | Synchronous Mode X1 mode | — | — | 25 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) | ||
— | — | 24 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_1B | FBRATE_HS | Baud Rate - High Speed SERCOM | Asynchronous SAMPR = 16x mode | — | — | 10 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) |
— | — | 10 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_3B | Asynchronous SAMPR = 8x mode | — | — | 20 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) | ||
— | — | 20 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_5B | Asynchronous SAMPR = 3x mode | — | — | 25 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) | ||
— | — | 25 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_19B | Synchronous Mode X2 mode | — | — | 25 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) | ||
— | — | 24 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_21B | Synchronous Mode X1 mode | — | — | 25 | Mbps | VDDIO = 3.3V, CLOAD = 30 pF(MAX) | ||
— | — | 24 | Mbps | VDDIO = 1.8V, CLOAD = 30 pF(MAX) | ||||
UT_23 | FUSART | USART max GCLK_SERCOM | — | — | FCLK_23 | MHz | — | |
UT_25 | FXCK | USART External Clock Input | — | — | 25 | MHz | — |