CY8C58LP datasheet(107/122 Pages) CYPRESS

tên linh kiện	CY8C58LP

Giải thích chi tiết về linh kiện	Programmable System-on-Chip (PSoC짰)

PDF	122 Pages

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nhà sản xuất	CYPRESS [Cypress Semiconductor]

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107 / 122 page

PRELIMINARY

PSoC® 5LP: CY8C58LP Family

Datasheet

Document Number: 001-84932 Rev. **

Page 107 of 122

Figure 11-72. Synchronous Write and Read Cycle Timing, No Wait States

Tbus_clock

Bus Clock

EM_Addr

EM_CE

EM_ADSC

EM_Clock

EM_WE

EM_OE

EM_Data

Trd_setup

Trd_hold

Write Cycle

Read Cycle

Minimum of 4 bus clock cycles between successive EMIF accesses

Twr_setup

Notes

72. EMIF signal timings are limited by GPIO frequency limitations. See “GPIO” section on page 69.

73. EMIF output signals are generally synchronized to bus clock, so EMIF signal timings are dependent on bus clock frequency.

Table 11-70. Synchronous Write and Read Timing Specifications

Parameter

Description

Conditions

Min

Typ[26]

Max

Units

Fbus_clock Bus clock frequency[72]

––

MHz

Tbus_clock Bus clock period[73]

30.3

–

Twr_Setup

Time from EM_data valid to rising edge of

EM_Clock

Tbus_clock – 10

–

Trd_setup

Time that EM_data must be valid before rising

edge of EM_OE

5–

–

Trd_hold

Time that EM_data must be valid after rising

edge of EM_OE

5–

–

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