參數(shù)資料
型號: MC68331CAG25
廠商: Freescale Semiconductor
文件頁數(shù): 9/84頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 25MHZ 144-LQFP
標(biāo)準(zhǔn)包裝: 60
系列: M683xx
核心處理器: CPU32
芯體尺寸: 32-位
速度: 25MHz
連通性: EBI/EMI,SCI,SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 18
程序存儲器類型: ROMless
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 144-LQFP
包裝: 托盤
MC68331TS/D
17
Figure 6 System Configuration and Protection Block
3.2.1 System Configuration
The SIM controls MCU configuration during normal operation and during internal testing.
The SIM configuration register controls system configuration. It can be read or written at any time, ex-
cept for the module mapping (MM) bit, which can be written only once.
EXOFF —External Clock Off
0 = The CLKOUT pin is driven from an internal clock source.
1 = The CLKOUT pin is placed in a high-impedance state.
FRZSW —Freeze Software Enable
0 = When FREEZE is asserted, the software watchdog and periodic interrupt timer counters con-
tinue to run.
1 = When FREEZE is asserted, the software watchdog and periodic interrupt timer counters are dis-
abled, preventing interrupts during software debug.
FRZBM —Freeze Bus Monitor Enable
0 = When FREEZE is asserted, the bus monitor continues to operate.
1 = When FREEZE is asserted, the bus monitor is disabled.
SIMCR —SIM Configuration Register
$YFFA00
15
14
13
12
11
10
9
8
7
6
5
4
3
0
EXOFF
FRZSW FRZBM
0
SLVEN
0
SHEN
SUPV
MM
0
IARB
RESET:
0
DATA11
0
1
0
1
300 SYS PROTECT BLOCK
RESET STATUS
HALT MONITOR
BUS MONITOR
SPURIOUS INTERRUPT MONITOR
SOFTWARE WATCHDOG TIMER
PERIODIC INTERRUPT TIMER
2
9
PRESCALER
CLOCK
IRQ[7:1]
BERR
RESET REQUEST
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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MC68331CEH20 功能描述:32位微控制器 - MCU 32B MCU GPT SIM QSM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
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MC68331CEH25 制造商:Freescale Semiconductor 功能描述:32-Bit Microcontroller IC