STM32F217REH6V 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

STM32F217REH6V

ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM, crypto, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

STMicroelectronics 

STM32F21xxx

Electrical characteristics

Figure 69. NAND controller waveforms for common memory read access

FSMC_NCEx

ALE (FSMC_A17)

CLE (FSMC_A16)

FSMC_NWE

FSMC_NOE

FSMC_D[15:0]

td(ALE-NOE)

th(NOE-ALE)

tw(NOE)

tsu(D-NOE)

th(NOE-D)

ai14912c

Figure 70. NAND controller waveforms for common memory write access

FSMC_NCEx

ALE (FSMC_A17)

CLE (FSMC_A16)

td(ALE-NOE)

FSMC_NWE

tw(NWE)

th(NOE-ALE)

FSMC_NOE

FSMC_D[15:0]

td(D-NWE)

tv(NWE-D)

th(NWE-D)

ai14913c

Table 79. Switching characteristics for NAND Flash read cycles(1)(2)

Symbol

Parameter

Min

Max

tw(N0E)

tsu(D-NOE)

FSMC_NOE low width

FSMC_D[15-0] valid data before FSMC_NOE

high

4THCLK- 1

9

th(NOE-D)

td(ALE-NOE)

th(NOE-ALE)

FSMC_D[15-0] valid data after FSMC_NOE high

FSMC_ALE valid before FSMC_NOE low

FSMC_NWE high to FSMC_ALE invalid

3

-

3THCLK+ 2

1. CL = 30 pF.

2. Based on characterization, not tested in production.

4THCLK+ 2

-

-

3THCLK

-

Unit

ns

ns

ns

ns

ns

Doc ID 17050 Rev 8

139/173

Share Link: