DSP56366P datasheet(77/110 Pages) NXP

77 / 110 page

DSP56366 Technical Data, Rev. 3.1

Freescale Semiconductor

3-51

186 First SCL sampling edge to HREQ output

deassertion

TNG;RQO

Filters bypassed

× T

C + 30

—

46.7

—

46.7

Narrow filters enabled

× T

C + 120

—

136.7

—

136.7

Wide filters enabled

× T

C + 208

—

224.7

—

224.7

187 Last SCL edge to HREQ output not

deasserted

TAS;RQO

Filters bypassed

× T

C + 30

46.7

—

46.7

—

Narrow filters enabled

× T

C + 80

96.7

—

96.7

—

Wide filters enabled

× T

C + 135

151.6

—

151.6

—

188 HREQ in assertion to first SCL edge

TAS;RQI

0.5

× T

I2CCP -

0.5

× T

C - 21

Filters bypassed

4440

—

1041

—

Narrow filters enabled

4373

—

999

—

Wide filters enabled

4373

—

958

—

189 First SCL edge to HREQ in not asserted

(HREQ in hold time)

tHO;RQI

0.0

—

0.0

—

1 V

CC = 3.16 V ± 0.16 V; TJ = –40°C to +110°C

2 Pull-up resistor: R

P (min) = 1.5 kOhm

3 Capacitive load: C

b (max) = 400 pF

4 It is recommended to enable the wide filters when operating in the I2C Standard Mode.

5 It is recommended to enable the narrow filters when operating in the I2C Fast Mode.

Table 3-20 SHI I2C Protocol Timing (continued)

No.

Characteristics1,2,3

Symbol/

Expression

Standard

Mode4

Fast Mode5

Unit

Min

Max

Min

Max

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