參數(shù)資料
型號: MC9RS08KB4CWJ
廠商: Freescale Semiconductor
文件頁數(shù): 19/37頁
文件大?。?/td> 0K
描述: MCU 8-BIT 4K FLASH 20-SOIC
標準包裝: 38
系列: RS08
核心處理器: RS08
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI
外圍設備: LVD,POR,PWM,WDT
輸入/輸出數(shù): 18
程序存儲器容量: 4KB(4K x 8)
程序存儲器類型: 閃存
RAM 容量: 126 x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
數(shù)據(jù)轉換器: A/D 12x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
包裝: 管件
MC9RS08KB12 Series MCU Data Sheet, Rev. 5
Electrical Characteristics
Freescale Semiconductor
26
3.8
External Oscillator (XOSC) Characteristics
3.9
AC Characteristics
This section describes AC timing characteristics for each peripheral system.
Table 9. Oscillator Electrical Specifications (Temperature Range = –40 to 85
°C Ambient)
Num
C
Rating
Symbol
Min
Typical1
1 Typical data was characterized at 5.0 V, 25
°C or is recommended value.
Max
Unit
1C
Oscillator crystal or resonator (EREFS = 1, ERCLKEN = 1)
Low range (RANGE = 0)
High range (RANGE = 1) FEE or FBE mode2
High range (RANGE = 1, HGO = 1) FBELP mode
High range (RANGE = 1, HGO = 0) FBELP mode
2 The input clock source must be divided using RDIV to within the range of 31.25 kHz to 39.0625 kHz.
flo
fhi
fhi-hgo
fhi-lp
32
1
38.4
5
16
8
kHz
MHz
2
D
Load capacitors
C1, C2
See crystal or resonator
manufacturer’s
recommendation.
3D
Feedback resistor
Low range (32 kHz to 100 kHz)
High range (1 MHz to 16 MHz)
RF
10
1
M
Ω
4D
Series resistor
Low range, low gain (RANGE = 0, HGO = 0)
Low range, high gain (RANGE = 0, HGO = 1)
High range, low gain (RANGE = 1, HGO = 0)
High range, high gain (RANGE = 1, HGO = 1)
≥ 8 MHz
4 MHz
1 MHz
RS
0
100
0
0
10
20
k
Ω
5C
Crystal start-up time3
Low range, low gain (RANGE = 0, HGO = 0)
Low range, high gain (RANGE = 0, HGO = 1)
High range, low gain (RANGE = 1, HGO = 0)4
High range, high gain (RANGE = 1, HGO = 1)4
3 This parameter is characterized and not tested on each device. Proper PC board layout procedures must be followed to
achieve specifications.
4 4 MHz crystal.
t
CSTL-LP
t
CSTL-HGO
t
CSTH-LP
t
CSTH-HGO
200
400
5
20
ms
6D
Square wave input clock frequency (EREFS = 0, ERCLKEN = 1)
FEE or FBE mode2
FBELP mode
fextal
0.03125
0
5
40
MHz
MCU
EXTAL
XTAL
Crystal or Resonator
RS
C2
RF
C1
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