RTL8196E Просмотр технического описания (PDF) - Realtek Semiconductor

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RTL8196E

5-PORT 10/100M ETHERNET ROUTER NETWORK PROCESSOR

Realtek Semiconductor 

RTL8196E

Datasheet

6.1. Configuration Upon Power On Strapping

All mode configuration pins are internal pull low. The 1.0V digital core power input pin voltage is up to

0.7V on system power-on. The strap data will be latched after a delay of 300ms.

H/W Pin Name

BS1, BS0, U0_TX

MA11, MA10,

MA9

MA2, MA1, MA0

MA6, MA5

MA3

MA4

MA8

MA12

MCLKE

Table 2. Configuration Upon Power On Strapping

Configuration Name Pin No Description

ck_cpu_freq_sel[2:0] 74, 75, 2 CPU Clock Configuration.

000: 400MHz

001: 380MHz

010: 360MHz

011: 340MHz

100: 320MHz

101: 300MHz

110: 280MHz

111: 260MHz

ck_freq_sel[2:0] 77, 78, 80 DRAM Clock Rate Configuration.

000: 156.25MHz

001: 193.75MHz

010: 181.25MHz

011: Reserved

100: Reserved

101: 125MHz

110: Reserved

111: 168.75MHz

Bootpinsel[2:0]

88, 89, 90 Boot Pin Selection for the RTL8196E Boot Method.

000: SPI

001: Reserved

010: Reserved

011: Reserved

100: ROM booting Mode for SDR/DDR 16MB

101: ROM booting Mode for SDR/DDR 32MB

110: ROM booting Mode for SDR 8MB or DDR 64MB

111: ROM booting Mode for SDR 2MB or DDR 128MB

EnOLTautoTestMode[1: 83, 84 Enable OLT (Auto Test Mode).

0]

00: Normal Mode

10: Internal MP Test Mode

x1: Internal Debug Mode

DDR_TYPE

87 DDR DRAM Type.

0: DDR2

1: DDR1

External_Reset

86 Enable External Reset Pin.

0: Disable

1: Enable

DRAM_TYPE

81 DRAM Type.

0: SDR

1: DDR

Sel_40M

76 System Clock Source Select.

0: 25MHz

1: 40MHz

Strap_Testmode

126 Chip Test Mode Select.

0: Normal mode

1: Test mode

5-Port 10/100M Ethernet Router Network Processor

10

Track ID: JATR-3375-16 Rev. 1.0

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