參數(shù)資料
型號(hào)： MC705JP7CPE
廠商： Freescale Semiconductor
文件頁數(shù)： 84/164頁
文件大小： 0K
描述： IC MCU 8BIT 224 BYTES RAM 28PDIP
標(biāo)準(zhǔn)包裝： 13
系列： HC05
核心處理器： HC05
芯體尺寸： 8-位
速度： 2.1MHz
連通性： SIO
外圍設(shè)備： POR，溫度傳感器，WDT
輸入/輸出數(shù)： 22
程序存儲(chǔ)器容量： 6KB（6K x 8）
程序存儲(chǔ)器類型： OTP
RAM 容量： 224 x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 4x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 28-DIP（0.600"，15.24mm）
包裝： 管件
Memory
MC68HC705JJ7 MC68HC705JP7 Advance Information Data Sheet, Rev. 4.1
26
Freescale Semiconductor
2.4 User and Interrupt Vector Mapping
The interrupt vectors are contained in the upper memory addresses above $1FF0 as shown in Figure 2-4.
2.5 Random-Access Memory (RAM)
The 224 addresses from $0020 to $00FF serve as both the user RAM and the stack RAM. The central
processor unit (CPU) uses five RAM bytes to save all CPU register contents before processing an
interrupt. During a subroutine call, the CPU uses two bytes to store the return address. The stack pointer
decrements during pushes and increments during pulls.
NOTE
Be careful when using nested subroutines or multiple interrupt levels. The
CPU may overwrite data in the RAM during a subroutine or during the
interrupt stacking operation.
2.6 Erasable Programmable Read-Only Memory (EPROM)
The EPROM is located in three areas of the memory map:
Addresses $0700–$1EFF contain 6144 bytes of user EPROM.
Addresses $1FF0–$1FF1 contain 2 bytes of EPROM reserved for user vectors and COP and
security register (COPR), and the mask option register. Only bit 7 of $1FF0 is a programmable bit.
Addresses $1FF2–$1FFF contain 14 bytes of interrupt vectors.
Address
Register Name
$1FF0
COP Register and EPROM Security
$1FF1
Mask Option Register
$1FF2
Analog Interrupt Vector (MSB)
$1FF3
Analog Interrupt Vector (LSB)
$1FF4
Serial Interrupt Vector (MSB)
$1FF5
Serial Interrupt Vector ((LSB)
$1FF6
Timer Interrupt Vector (MSB)
$1FF7
Timer Interrupt Vector (LSB)
$1FF8
Core Timer Interrupt Vector (MSB)
$1FF9
Core Timer Interrupt Vector (LSB)
$1FFA
External IRQ Vector (MSB)
$1FFB
External IRQ Vector (LSB)
$1FFC
SWI Vector (MSB)
$1FFD
SWI Vector (LSB)
$1FFE
Reset Vector (MSB)
$1FFF
Reset Vector (LSB)
Figure 2-4. Vector Mapping
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC705JP7CPE 制造商:Freescale Semiconductor 功能描述:IC 8BIT MCU 68HC05 2.1MHZ DIP-28
MC705K1CP 制造商:Motorola Inc 功能描述:16 PIN DIP INTEGRATED CIRCUIT
MC705L16CFUE 功能描述:8位微控制器 -MCU 8B MCU W/ EPROM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
MC705P6ACDWE 功能描述:8位微控制器 -MCU MCU 176 BYTES RAM A/D RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
MC705P6ACDWE 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC
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