参数资料
型号: MC9RS08KA2CPC
厂商: Freescale Semiconductor
文件页数: 114/136页
文件大小: 0K
描述: IC MCU 8-BIT 2K FLASH 8-PDIP
产品培训模块: Mechatronics
USBSpyder08 Discovery Kit
RS08KA2 Low-End Microcontroller Series
MC9RS08KA8 Microcontroller
标准包装: 50
系列: RS08
核心处理器: RS08
芯体尺寸: 8-位
速度: 10MHz
外围设备: LVD,POR,WDT
输入/输出数: 4
程序存储器容量: 2KB(2K x 8)
程序存储器类型: 闪存
RAM 容量: 63 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
产品目录页面: 726 (CN2011-ZH PDF)
配用: DEMO9RS08KA2-ND - DEMO BOARD FOR 9RS08KA2
Internal Clock Source (RS08ICSV1)
MC9RS08KA2 Series Data Sheet, Rev. 4
Freescale Semiconductor
79
9.3.3
ICS Trim Register (ICSTRM)
9.3.4
ICS Status and Control (ICSSC)
7
6
5
432
1
0
R
TRIM
W
POR:
1
0
Reset:
U
UUU
U
Figure 9-5. ICS Trim Register (ICSTRM)
Table 9-4. ICSTRM Field Descriptions
Field
Description
7:0
TRIM
ICS Trim Setting — The TRIM bits control the internal reference clock frequency by controlling the internal
reference clock period. The bits’ effect are binary weighted (i.e., bit 1 will adjust twice as much as bit 0).
Increasing the binary value in TRIM will increase the period, and decreasing the value will decrease the period.
An additional fine trim bit is available in ICSSC as the FTRIM bit.
7
6
5
432
1
0
R
0
CLKST
0
FTRIM
W
POR:
0
Reset:
0
U
= Unimplemented
Figure 9-6. ICS Status and Control Register (ICSSC)
Table 9-5. ICSSC Field Descriptions
Field
Description
2
CLKST
Clock Mode Status — The CLKST read-only bit indicate the current clock mode. The CLKST bit does not update
immediately after a write to the CLKS bit due to internal synchronization between clock domains.
0 Output of FLL is selected
1 Internal reference clock is selected
0
FTRIM
ICS Fine Trim — The FTRIM bit controls the smallest adjustment of the internal reference clock frequency.
Setting FTRIM will increase the period and clearing FTRIM will decrease the period by the smallest amount
possible.
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