56F8322 datasheet(119/136 Pages) FREESCALE

Part #	56F8322

Description	16-bit Digital Signal Controllers

PDF	136 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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Serial Communication Interface (SCI) Timing

56F8322 Technical Data, Rev. 16

Freescale Semiconductor

119

Preliminary

Figure 10-14 Quadrature Decoder Timing

10.12 Serial Communication Interface (SCI) Timing

Figure 10-15 RXD Pulse Width

Figure 10-16 TXD Pulse Width

Table 10-21 SCI Timing1

1. Parameters listed are guaranteed by design.

Characteristic

Symbol

Min

Max

Unit

See Figure

Baud Rate2

2. fMAX is the frequency of operation of the system clock in MHz, which is 60MHz for the 56F8322 device and 40MHz for the

56F8122 device.

—

(fMAX/16)

Mbps

—

RXD3 Pulse Width

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

RXDPW

0.965/BR

1.04/BR

10-15

TXD4 Pulse Width

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

TXDPW

0.965/BR

1.04/BR

10-16

Phase B

(Input)

PHL

Phase A

(Input)

PHL

PPH PPH

PPH

RXDPW

RXD

SCI receive

data pin

(Input)

TXDPW

TXD

SCI receive

data pin

(Input)

56F8322 Datasheet(PDF) 119 Page - Freescale Semiconductor, Inc

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