STR720RBQ6 datasheet(21/401 Pages) STMICROELECTRONICS

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STR720 - PIN DATA

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4.10 Port 7 pins

Port 7 is a configurable 8/16-bit data port shared between the External Memory Interface for

the connection of memory components - such as ROM, FLASH or SRAM devices - and the

IDE interface. Both EMI and IDE are under ARM720 control through configuration registers.

Shared port lines can be selected by software using the related GCR register bit.

P6.56

SDRAM active low Byte Lane 0 Strobe signal (MiBls[0]).

P6.57

119

SDRAM active low Byte Lane 1 Strobe signal (MiBls[1]).

P6.58

SDRAM active low Byte Lane 2 Strobe signal (MiBls[2]).

P6.59

SDRAM active low Byte Lane 3 Strobe signal (MiBls[3]).

Table 11. Port 7 Pins

Symbol

I/O

Function

P7.0

194

I/O

EMI Data line 0 (Edata[0]).

I/O

IDE Data line 0 (IDD[0]).

P7.1

198

I/O

EMI Data line 1 (Edata[1]).

I/O

IDE Data line 1 (IDD[1]).

P7.2

200

I/O

EMI Data line 2 (Edata[2]).

I/O

IDE Data line 2 (IDD[2]).

P7.3

202

I/O

EMI Data line 3 (Edata[3]).

I/O

IDE Data line 3 (IDD[3]).

P7.4

204

I/O

EMI Data line 4 (Edata[4]).

I/O

IDE Data line 4 (IDD[4]).

P7.5

206

I/O

EMI Data line 5 (Edata[5]).

I/O

IDE Data line 5 (IDD[5]).

P7.6

208

I/O

EMI Data line 6 (Edata[6]).

I/O

IDE Data line 6 (IDD[6]).

P7.7

I/O

EMI Data line 7 (Edata[7]).

I/O

IDE Data line 7 (IDD[7]).

P7.8

195

I/O

EMI Data line 8 (Edata[8]).

I/O

IDE Data line 8 (IDD[8]).

P7.9

199

I/O

EMI Data line 9 (Edata[9]).

I/O

IDE Data line 9 (IDD[9]).

P7.10

201

I/O

EMI Data line 10 (Edata[10]).

I/O

IDE Data line 10 (IDD[10]).

Table 10. Port 6 Pins (Continued)

Symbol

I/O

Function

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