参数资料
型号: DS26303DK
厂商: Maxim Integrated Products
文件页数: 13/43页
文件大小: 0K
描述: KIT DESIGN FOR DS26303
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: 电信,线路接口单元(LIU)
已用 IC / 零件: DS26303
已供物品: 板,线缆,电源

DS26303 Design Kit
ID REGISTERS
BID: BOARD ID (Offset = 0X0000)
BID is read-only with a value of 0xD.
XBIDH: HIGH NIBBLE EXTENDED BOARD ID (Offset = 0X0002)
XBIDH is read-only with a value of 0x0.
XBIDM: MIDDLE NIBBLE EXTENDED BOARD ID (Offset = 0X0003)
XBIDM is read-only with a value of 0x1.
XBIDL: LOW NIBBLE EXTENDED BOARD ID (Offset = 0X0004)
XBIDL is read-only with a value of 0x6.
BREV: BOARD FAB REVISION (Offset = 0X0005)
BREV is read-only and displays the current fab revision.
AREV: BOARD ASSEMBLY REVISION (Offset = 0X0006)
AREV is read-only and displays the current assembly revision.
PREV: FPGA REVISION (Offset = 0X0007)
PREV is read-only and displays the current PLD firmware revision.
CONTROL REGISTERS
Register Name: CTRL_1
Register Description: DS26303DK FPGA CONTROL REGISTER 1
Register Offset: 0x08
Bit #
Name
7
INT303
6
ENRLOS1
5
CLKE
4
SPI_SWAP
3
SPI
2
OE
1
MCLK1
0
MCLK0
Bit 7: INT303. This bit indicates the status of the INT303 line.
If INT303 = LOW, there is no hardware interrupt on the DS26303.
If INT303 = HIGH, there is a hardware interrupt on the DS26303.
Bit 6: ENRLOS1. This bit enables the RLOS1 LED. This should not be enabled when driving TECLK from the
DS26303.
If ENRLOS1 = LOW, the RLOS1 LED is not enabled.
If ENRLOS1 = HIGH, the RLOS1 LED is enabled and lights when RLOS1 is high.
Bit 5: CLKE. This bit sets the CLKE pin on the DS26303. This is only active when SPI (Bit 0) is HIGH. If SPI (Bit 0)
is low, CLKE is always low.
If CLKE = LOW, SDO is clocked out on the rising edge of SCLK.
If CLKE = HIGH, SDO is clocked out on the falling edge of SCLK.
Bit 4: SPI_SWAP. This bit sets the BSWP/A5 pin on the DS26303. This is only active when SPI (Bit 0) is HIGH.
If SPI_SWAP = LOW, the SPI bus is LSB first.
If SPI_SWAP = HIGH, the SPI bus is MSB first.
Bit 3: SPI. This bit sets up the FPGA to use serial mode. This bit also changes the mode pin on the DS26303.
If SPI = LOW, the parallel bus is used for all read/write access. This also sets the MODE pin on the
DS26303 to logic 1.
If SPI = HIGH, the SPI bus is used for all read/write access. This also sets the MODE pin on the DS26303
to logic 0.
Bit 2: OE. This bit controls the OE pin to the DS26303.
Bits 1 and 0: MCLK1 and MCLK0. These bits control the MCLK pin to the DS26303.
MCLK1
0
0
1
1
MCLK0
0
1
0
1
DESCRIPTION OF MCLK
MCLK = high-impedance mode
MCLK = on-board T1 oscillator
MCLK = on-board E1 oscillator
MCLK = user clock input
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