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| 型號(hào)： | S-7600A |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | Hardware Specification (TCP/IP Network Stack LSI) |
| 中文描述： | 硬件規(guī)格（TCP / IP網(wǎng)絡(luò)堆棧大規(guī)模集成電路） |
| 文件頁(yè)數(shù)： | 36/60頁(yè) |
| 文件大小： | 371K |
| 代理商： | S-7600A |
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TCP/IP Network Stack LSI
S-7600A
Hardware Specification
Revision 1.3
7-9
Seiko Instruments Inc.
7.3.8. Serial Port Data Register (0x0B)
(Read/Write)
This register sends data to and reads data from the serial port UART. The data is valid when the
S_DAV
bit in the
Serial Port Config
register is set. Data can be written to this register when the
PT_INT
bit in the
Serial Port Interrupt
register is set. See the register description in Table 7.-14.
Note: This register should only be used when the
SCTL
bit in the Serial Port config register is low.
7.3.9. BAUD Rate Divider Registers (0x0C-0x0D)
(Read/Write, Default 0x0000)
These registers set the BAUD rate for the serial port. Calculate the value by using the following formula:
Program Value = [(clk Frequency) / (BAUD Rate)] - 1
Where clk is the clock for the S-7600A core
Example: The clock rate of the S-7600A is 256 KHz and a BAUD rate of 64 Kbps is desired, the
programmed value should be:
256 KHz / 64 k) - 1 = 4 - 1 = 3
Note: The lowest value that should be programmed into these registers is 0x0003.
7.3.10. Our IP Address Registers (0x10-0x13)
(Read/Write, Default 0x00000000)
These registers store our IP address or the IP address of the local device. The 0x10 register stores the
least significant byte and the 0x13 register stores the most significant byte. If the system controller dose
not write an IP address, it will be negotiated for during PPP negotiations (floating IP address). When a
PPP connection is established (indicated by bit 0, register 60) these registers can be read to query the IP
address obtained.
Table 7-17
Our IP Address Register Bit Definitions (0x10)
Bit
Def.
Default
7
6
5
4
3
2
1
0
Least significant byte of the local IP address
0x00
Table 7-18
Our IP Address Register Bit Definitions (0x11)
Bit
Def.
Default
7
6
5
4
3
2
1
0
3rd byte of the local IP address
0x00
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