参数资料
型号: MCP2004T-E/SN
厂商: Microchip Technology
文件页数: 25/34页
文件大小: 0K
描述: IC TXRX LIN B/DIR 8SOIC
产品培训模块: Microchip MCP20xx LIN Transceiver Overview
标准包装: 3,300
类型: 收发器
驱动器/接收器数: 1/1
规程: LIN
电源电压: 6 V ~ 27 V
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 带卷 (TR)
2009 Microchip Technology Inc.
DS41288F-page 31
PIC16F610/616/16HV610/616
3.4.1.1
OSCTUNE Register
The oscillator is factory calibrated but can be adjusted
in software by writing to the OSCTUNE register
The default value of the OSCTUNE register is ‘0’. The
value is a 5-bit two’s complement number.
When the OSCTUNE register is modified, the frequency
will begin shifting to the new frequency. Code execution
continues during this shift. There is no indication that the
shift has occurred.
TABLE 3-2:
SUMMARY OF REGISTERS ASSOCIATED WITH CLOCK SOURCES
REGISTER 3-1:
OSCTUNE: OSCILLATOR TUNING REGISTER
U-0
R/W-0
TUN4
TUN3
TUN2
TUN1
TUN0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-5
Unimplemented: Read as ‘0’
bit 4-0
TUN<4:0>: Frequency Tuning bits
01111
= Maximum frequency
01110
=
00001
=
00000
= Oscillator module is running at the manufacturer calibrated frequency.
11111
=
10000
= Minimum frequency
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Value on
all other
Resets(1)
CONFIG(2)
IOSCFS
CP
MCLRE
PWRTE
WDTE
FOSC2
FOSC1
FOSC0
OSCTUNE
TUN4
TUN3
TUN2
TUN1
TUN0
---0 0000
---u uuuu
Legend:
x
= unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by oscillators.
Note
1:
Other (non Power-up) Resets include MCLR Reset and Watchdog Timer Reset during normal operation.
2:
See Configuration Word register (Register 12-1) for operation of all register bits.
相关PDF资料
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VE-BTM-IV-F3 CONVERTER MOD DC/DC 10V 150W
MCP2003T-E/SN TXRX LIN STAND ALONE 8SOIC
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