cp2200 Silicon Laboratories, cp2200 Datasheet - Page 46
cp2200
Manufacturer Part Number
cp2200
Description
Single-chip Ethernet Controller
Manufacturer
Silicon Laboratories
Datasheet
1.CP2200.pdf
(108 pages)
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CP2200/1
46
Bits 7–5: UNUSED. Read = 0000b, Write = don’t care.
Bit 4–2:
Bit 1:
Bit 0:
Bit 7:
Bits 6–0: Reserved. Read = varies; Must write 0000000b.
PSAVED Reserved Reserved Reserved Reserved Reserved Reserved Reserved 00000000
R/W
R/W
Bit7
Bit7
—
RESERVED. Read = 100b; Must write x00b.
UNUSED. Read = 1b; Write = don’t care.
OSCOE: Oscillator Output Enable
This bit controls the output of the external oscillator. It does not affect the external crystal driver.
0: Oscillator output disabled. The device will no longer respond until the next reset.
1: Oscillator output enabled.
PSAVED. Transmitter Power Save Mode Disable Bit
0: Enable transmitter power saving mode.
1: Disable transmitter power saving mode.
R/W
R/W
Bit6
Bit6
—
Register 16. OSCPWR: Oscillator Power Register
Register 17. TXPWR: Transmitter Power Register
R/W
R/W
Bit5
Bit5
—
Reserved Reserved Reserved Reserved
R/W
R/W
Bit4
Bit4
R/W
R/W
Bit3
Bit3
Rev. 1.0
R/W
R/W
Bit2
Bit2
R/W
Bit1
Bit1
R
OSCOE 00000010
R/W
R/W
Bit0
Bit0
Reset Value
Reset Value
Address:
Address:
0x7C
0x7A