PIC16F631T-E/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F631T-E/SO

20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC16F631/677/685/687/689/690

TABLE 17-12: SPI MODE REQUIREMENTS

Param

No.

Symbol

Characteristic

Min. Typ† Max. Units Conditions

70* TSSL2SCH, SS↓ to SCK↓ or SCK↑ input

TSSL2SCL

TCY

— — ns

71* TSCH

SCK input high time (Slave mode)

TCY + 20 — — ns

72* TSCL

SCK input low time (Slave mode)

TCY + 20 — — ns

73* TDIV2SCH, Setup time of SDI data input to SCK edge

TDIV2SCL

100

— — ns

74* TSCH2DIL, Hold time of SDI data input to SCK edge

TSCL2DIL

100

— — ns

75* TDOR

SDO data output rise time

3.0-5.5V

—

10 25 ns

2.0-5.5V

—

25 50 ns

76* TDOF

SDO data output fall time

—

10 25 ns

77* TSSH2DOZ SS↑ to SDO output high-impedance

10

— 50 ns

78* TSCR

SCK output rise time

(Master mode)

3.0-5.5V

2.0-5.5V

—

10 25 ns

—

25 50 ns

79* TSCF

SCK output fall time (Master mode)

—

10 25 ns

80* TSCH2DOV, SDO data output valid after

TSCL2DOV SCK edge

3.0-5.5V

2.0-5.5V

—

— 50 ns

—

— 145 ns

81* TDOV2SCH, SDO data output setup to SCK edge

TDOV2SCL

Tcy

— — ns

82* TSSL2DOV SDO data output valid after SS↓ edge

—

— 50 ns

83* TSCH2SSH, SS ↑ after SCK edge

TSCL2SSH

1.5TCY + 40 — — ns

* These parameters are characterized but not tested.

† Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

FIGURE 17-16: I2C™ BUS START/STOP BITS TIMING

SCL

SDA

91

90

93

92

Start

Condition

Note: Refer to Figure 17-3 for load conditions.

Stop

Condition

DS41262E-page 252

© 2008 Microchip Technology Inc.

Share Link: