DSP5685XUM datasheet(48/64 Pages) FREESCALE

Part #	DSP5685XUM

Description	16-bit Digital Signal Controllers

PDF	64 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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48 / 64 page

56858 Technical Data, Rev. 6

Freescale Semiconductor

4.12 Serial Communication Interface (SCI) Timing

Figure 4-31 RXD Pulse Width

Figure 4-32 TXD Pulse Width

Table 4-13 SCI Timing4

Operating Conditions: VSS = VSSIO = VSSA = 0 V, VDD = 1.62-1.98V, VDDIO = VDDA = 3.0–3.6V, TA = –40° to +120°C, CL ≤ 50pF, fop = 120MHz

Characteristic

Symbol

Min

Max

Unit

Baud Rate1

1. fMAX is the frequency of operation of the system clock in MHz.

—

(fMAX)/(32)

Mbps

RXD2 Pulse Width

2. The RXD pin in SCI0 is named RXD0 and the RXD pin in SCI1 is named RXD1.

RXDPW

0.965/BR

1.04/BR

TXD3 Pulse Width

3. The TXD pin in SCI0 is named TXD0 and the TXD pin in SCI1 is named TXD1.

4. Parameters listed are guaranteed by design.

TXDPW

0.965/BR

1.04/BR

RXD

SCI receive

data pin

(Input)

RXDPW

TXD

SCI receive

data pin

(Input)

TXDPW

DSP5685XUM Datasheet(PDF) 48 Page - Freescale Semiconductor, Inc