ST7263BEx datasheet(159/186 Pages) STMICROELECTRONICS

部件名	ST7263BEx

功能描述	Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI and I²C

PDF	186 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

159 / 186 page

ST7263Bxx

Electrical characteristics

Doc ID 7516 Rev 8

159/186

13.10.2

SCI interface

Subject to general operating condition for VDD, fCPU, and TA unless otherwise specified.

Refer to I/O port characteristics for more details on the input/output alternate function

characteristics (RDI and TDO).

Table 74.

USB low-speed electrical characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

Driver characteristics:

Rise time

CL=50 pF

(1)

For more detailed information, please refer to Chapter 7 (Electrical) of the USB specification (version 1.1).

CL=600 pF

(1)

-300

Fall Time

CL=50 pF

(1)

CL=600 pF

(1)

-300

trfm

Rise/ fall time matching

tr/tf

120

VCRS

Output signal crossover voltage

1.3

2.0

Table 75.

SCI characteristics

Symbol

Parameter

Conditions

Standard

Baud

Rate

Unit

fCPU

Accuracy

vs.

standard

Prescaler

fTx

fRx

Communication

frequency

8MHz ~0.16%

Conventional mode

TR (or RR)=128, PR=13

TR (or RR)= 32, PR=13

TR (or RR)= 16, PR=13

TR (or RR)= 8, PR=13

TR (or RR)= 4, PR=13

TR (or RR)= 16, PR= 3

TR (or RR)= 2, PR=13

TR (or RR)= 1, PR=13

300

1200

2400

4800

9600

10400

19200

38400

~300.48

~1201.92

~2403.84

~4807.69

~9615.38

~10416.67

~19230.77

~38461.54

ST7263BEx 数据表(PDF) 159 Page - STMicroelectronics

ST7263BEx 数据表(HTML) 159 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载