STM32F215RG datasheet(127/173 Pages) STMICROELECTRONICS

tên linh kiện	STM32F215RG

Giải thích chi tiết về linh kiện	ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM

PDF	173 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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127 / 173 page

STM32F21xxx

Electrical characteristics

Doc ID 17050 Rev 8

127/173

Synchronous waveforms and timings

Figure 57 through Figure 60 represent synchronous waveforms and Table 74 through

Table 76 provide the corresponding timings. The results shown in these tables are obtained

with the following FSMC configuration:

●

BurstAccessMode = FSMC_BurstAccessMode_Enable;

●

MemoryType = FSMC_MemoryType_CRAM;

●

WriteBurst = FSMC_WriteBurst_Enable;

●

CLKDivision = 1; (0 is not supported, see the STM32F20xxx/21xxx reference manual)

●

DataLatency = 1 for NOR Flash; DataLatency = 0 for PSRAM

In all timing tables, the THCLK is the HCLK clock period.

Figure 57.

Synchronous multiplexed NOR/PSRAM read timings

FSMC_CLK

FSMC_NEx

FSMC_NADV

FSMC_A[25:16]

FSMC_NOE

FSMC_AD[15:0]

AD[15:0]

FSMC_NWAIT

(WAITCFG = 1b, WAITPOL + 0b)

FSMC_NWAIT

(WAITCFG = 0b, WAITPOL + 0b)

tw(CLK)

Data latency = 0

BUSTURN = 0

td(CLKL-NExL)

td(CLKL-NExH)

td(CLKL-NADVL)

td(CLKL-AV)

td(CLKL-NADVH)

td(CLKL-AIV)

td(CLKH-NOEL)

td(CLKL-NOEH)

td(CLKL-ADV)

td(CLKL-ADIV)

tsu(ADV-CLKH)

th(CLKH-ADV)

tsu(ADV-CLKH)

th(CLKH-ADV)

tsu(NWAITV-CLKH)

th(CLKH-NWAITV)

tsu(NWAITV-CLKH)

th(CLKH-NWAITV)

tsu(NWAITV-CLKH)

th(CLKH-NWAITV)

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