參數(shù)資料
型號(hào): CR16MHS9VJEE
廠商: National Semiconductor Corporation
元件分類: 16位微控制器
英文描述: Family of CompactRISC 16-Bit Microcontrollers
中文描述: 家庭CompactRISC 16位微控制器
文件頁數(shù): 3/99頁
文件大?。?/td> 449K
代理商: CR16MHS9VJEE
3
www.national.com
1.0
In the following text, device is alsays refered to the family of
CompactRISC 16-bit microcontrollers. For the exact feature
set, check individual datasheets.
The device is available in a variety of package sizes and
types. All devices have 48 kbytes of reprogrammable flash
program memory, 1.5 kbytes of ISP memory, 2 kbytes of stat-
ic RAM, and 640 bytes of non-volatile EEPROM data memo-
ry. The 80-pin device has two USARTs, two 16-bit multi-
function timers, one SPI/MICROWIRE-PLUS serial inter-
face, an 8-channel A/D converter, two analog comparators,
WATCHDOG protection mechanism, and up to 48 general-
purpose I/O pins. The 44-pin devices offer the same basic
features as the 80-pin device, but with fewer I/O ports and
peripheral modules due to the smaller number of available
pins.
All devices operate with a high-frequency crystal as the main
clock source. Some packages allow the device to operate
with either the main clock source or with a slow (32.768 KHz)
oscillator in Power Save mode. The device supports several
Power Save modes which are combined with multi-source in-
terrupt and wake-up capabilities.
Powerful cross-development tools are available from Nation-
al Semiconductor and third party suppliers to support the de-
velopment and debugging of application software for the
device. These tools let you program the application software
in C and are designed to take full advantage of the Compac-
tRISC architecture.
General Description
(Continued)
2.0
Features
CPU Features
— Fully static core, capable of operating at any rate from
0 to 20 MHz (4 MHz minimum in active mode)
— 50 ns instruction cycle time with a 20 MHz external
clock frequency
— Multi-source vectored interrupts (internal, external,
and on-chip peripheral)
— On-chip power-on reset
On-Chip Memory
— 48 kbytes of flash program memory or ROM memory
(100K cycle)
— 1.5 kbytes of ISP memory (100K cycle)
— 2 kbytes of static RAM data memory
— 640 bytes of non-volatile EEPROM data memory,
word-programmable (100K cycle)
On-Chip Peripherals
— Up to two Universal Synchronous/Asynchronous Re-
ceiver/Transmitter (USART) devices
— Programmable Idle Timer and real-time clock (T0)
— Up to two dual 16-bit multi-function timers (MFT1 and
MFT2)
— SPI/MICROWIRE-PLUS serial interface
— 8-channel, 8-bit Analog-to-Digital (A/D) converter with
external voltage reference, programmable sample-
and-hold delay, and programmable conversion fre-
quency
— Up to two analog comparators
— Integrated WATCHDOG logic
I/O Features
— Up to 48 general-purpose I/O pins (shared with on-chip
peripheral I/O pins)
— Programmable I/O pin characteristics: TRI-STATE out-
put, push-pull output, weak pull-up input, high-imped-
ance input
— Software-configurable Schmitt triggers on inputs
Power Supply
— 4.5V to 5.5V single-supply operation
Temperature Range
— 0
°
C to +70
°
C
— –40
°
C to +85
°
C
— –40
°
C to +125
°
C
Development Support
— Real-time emulation and full program debug capabili-
ties available
— CompactRISC tools provide C programming and de-
bugging support
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CR16MHS9VJEI 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers
CR16MNS5 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Family of CompactRISC 16-Bit Microcontrollers
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