STM32U595AI datasheet(295/377 Pages) STMICROELECTRONICS

295 / 377 page

DS13633 Rev 1

295/377

STM32U59xxx

Electrical characteristics

343

Figure 46. ADF timing diagram

Table 109. ADF characteristics(1)

Symbol

Parameter

Conditions

Min

Typ Max Unit

fCCKI

Input clock frequency via

ADF_CCK[1:0] pin, in

SLAVE SPI mode

1.71 ≤ VDD ≤ 3.6 V

MHz

fCCKO

Output clock frequency in

MASTER SPI mode

fCCKOLF

Output clock frequency in

LF_MASTER SPI mode

fSYMB

Input symbol rate in

Manchester mode

tHCCKI

tLCCKI

ADF_CCK[1:0] input clock

high and low time

In SLAVE SPI mode

2 ×

Tadf_proc_ck(2)

tHCCKO

tLCCKO

ADF_CCK[1:0] output clock

high and low time

In MASTER SPI mode

2 ×

Tadf_proc_ck

tHCCKOLF

tLCCKOLF

ADF_CCK[1:0] output clock

high and low time

In LF_MASTER SPI mode

Tadf_proc_ck

tSUCCKI

Data setup time with respect

to ADF_CCK[1:0] input

In SLAVE SPI mode:

ADF_CCK[1:0] configured in input,

measured on rising and falling edge

4.5

tHDCCKI

Data hold time with respect

to ADF_CCK[1:0] input

tSUCCKO

Data setup time with respect

to ADF_CCK[1:0] output

In MASTER SPI mode:

ADF_CCK[1:0] configured in

output, measured on rising and

falling edge

5.5

tHDCCKO

Data hold time with respect

to ADF_CCK[1:0] output

tSUCCKOLF

Data setup time with respect

to ADF_CCK[1:0] output

In LF_MASTER SPI mode:

ADF_CCK[1:0] configured in

output, measured on rising and

falling edge

19.5

tHDCCKOLF

Data hold time with respect

to ADF_CCK[1:0] output

1. Evaluated by characterization. Not tested in production.

2. Tadf_proc_ck is the period of the ADF processing clock.

MSv69124V1

ADF_SDIx (I)

ADF_CCK (I/O)

tSUCCKI

tSUCCKO

tSUCCKOLF

fCCKI, fCCKO, fCCKOLF

tLCCKI, tLCCKO,

tLCCKOLF

tHDCCKI

tHDCCKO

tHDCCKOLF

tHCCKI, tHCCKO,

tHCCKOLF

tSUCCKI

tSUCCKO

tSUCCKOLF

tHDCCKI

tHDCCKO

tHDCCKOLF

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