参数资料
型号: PCM9211PTR
厂商: TEXAS INSTRUMENTS INC
元件分类: 网络接口
英文描述: DATACOM, TOKEN RING TRANSCEIVER, PQFP48
封装: GREEN, PLASTIC, LQFP-48
文件页数: 85/121页
文件大小: 1219K
代理商: PCM9211PTR
SBAS495 – JUNE 2010
www.ti.com
Register 24h, Oscillation Circuit Control
(Address: 24h, Write and Read)
DATA
B7
B6
B5
B4
B3
B2
B1
B0
Reg Name
OSCAUTO
RSV
XMCKEN
XMCKDIV1
XMCKDIV0
RSV
Default Value
0
Memo
OSCAUTO: Oscillation Circuit Automatic Operation Control
0: Built-in oscillator circuit always operates (default)
1: Built-in oscillator circuit is stopped during lock state of DIR but is active when DIR locks and CLKST
is active
NOTES:
The XODIS command has more priority than this OSCAUTO register.
If XODIS is set to power down, the XTI source is not output.
XMCKENX: MCKO (XTI Clock Buffered Output) Output Enable Control
0: MUTE (Logic low level) (default)
1: Output
XMCKDIV[1:0]: XMCKO (XTI Clock Buffered Output) Output Clock Dividing Ratio
00: XTI/1 (24.576 MHz) (default)
01: XTI/2 (12.288 MHz)
10: XTI/4 (6.144 MHz)
11: XTI/8 (3.072 MHz)
66
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): PCM9211
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