參數(shù)資料
型號(hào)： MC68L11D0CFBE2R
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQFP44
封裝： 10 X 10 MM, 2 MM HEIGHT, 0.80 MM PITCH, QFP-44
文件頁數(shù)： 79/131頁
文件大小： 1640K
代理商： MC68L11D0CFBE2R
MC68HC11D3
RESETS AND INTERRUPTS
MOTOROLA
TECHNICAL DATA
5-7
The maskable interrupt sources have the following priority arrangement:
1. IRQ
2. Real-time interrupt
3. Timer input capture 1
4. Timer input capture 2
5. Timer input capture 3
6. Timer output compare 1
7. Timer output compare 2
8. Timer output compare 3
10. Timer input capture 4/output compare 5
11. Timer overflow
12. Pulse accumulator overflow
13. Pulse accumulator input edge
14. SPI transfer complete
15. SCI system
Any one of these interrupts can be assigned the highest maskable interrupt priority by
writing the appropriate value to the PSEL bits in the HPRIO register. Otherwise, the
priority arrangement remains the same. An interrupt that is assigned highest priority is
still subject to global masking by the I bit in the CCR, or by any associated local bits.
Interrupt vectors are not affected by priority assignment. To avoid race conditions,
HPRIO can be written only while I-bit interrupts are inhibited.
5.3.1 Highest Priority Interrupt and Miscellaneous Register
The values of the RBOOT, SMOD, IRVNE, and MDA reset bits depend on the mode
during initialization. Refer to Table 5-3.
RBOOT — Read Bootstrap ROM
Has meaning only when the SMOD bit is a one (special bootstrap mode or special test
mode). At all other times this bit is clear and cannot be written. Refer to SECTION 4
SMOD — Special Mode Select
This bit reflects the inverse of the MODB input pin at the rising edge of reset. Refer to
MDA — Mode Select A
The mode select A bit reflects the status of the MODA input pin at the rising edge of
information.
IRVNE — Internal Read Visibility Enable/Not E
HPRIO — Highest Priority I-Bit Interrupt and Miscellaneous
$003C
Bit 7
654321
Bit 0
RBOOT
SMOD
MDA
IRVNE
PSEL3
PSEL2
PSEL1
PSEL0
RESET:
—
0101
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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MC68L11E0FN2 制造商:Rochester Electronics LLC 功能描述:8-BIT MCU,512RAM,A/D,LVDC - Bulk
MC68L11E0FNE2 功能描述:IC MCU 8BIT LV 512RAM 52-PLCC RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC11 標(biāo)準(zhǔn)包裝:1 系列:87C 核心處理器:MCS 51 芯體尺寸:8-位 速度:16MHz 連通性:SIO 外圍設(shè)備:- 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:8KB（8K x 8） 程序存儲(chǔ)器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4 V ~ 6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:外部 工作溫度:0°C ~ 70°C 封裝/外殼:44-DIP 包裝:管件 其它名稱:864285
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