参数资料
型号: T89C5115-TISUM
厂商: Atmel
文件页数: 15/113页
文件大小: 0K
描述: IC 8051 MCU FLASH 16K 28SOIC
标准包装: 27
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 20
程序存储器容量: 16KB(16K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 512 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
包装: 管件
其它名称: 89C5115-TISUM
2007-2011 Microchip Technology Inc.
DS70265E-page 111
dsPIC33FJ12MC201/202
REGISTER 8-4:
OSCTUN: FRC OSCILLATOR TUNING REGISTER(2)
U-0
bit 15
bit 8
U-0
R/W-0
TUN<5:0>(1)
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 15-6
Unimplemented:
Read as ‘0’
bit 5-0
TUN<5:0>:
FRC Oscillator Tuning bits(1)
011111
= Center frequency +11.625% (8.23 MHz)
011110
= Center frequency +11.25% (8.20 MHz)
000001
= Center frequency +0.375% (7.40 MHz)
000000
= Center frequency (7.37 MHz nominal)
111111
= Center frequency -0.375% (7.345 MHz)
100001
= Center frequency -11.625% (6.52 MHz)
100000
= Center frequency -12% (6.49 MHz)
Note 1:
OSCTUN functionality has been provided to help customers compensate for temperature effects on the
FRC frequency over a wide range of temperatures. The tuning step size is an approximation and is neither
characterized nor tested.
2:
This register is reset only on a Power-on Reset (POR).
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