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参数资料
| 型号： | S80C196EA |
| 厂商： | INTEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MICROCONTROLLER, PQFP16 |
| 封装： | QFP-160 |
| 文件页数： | 3/32页 |
| 文件大小： | 869K |
| 代理商： | S80C196EA |
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Preliminary Datasheet
7
80C196EA -
Commercial
4.0
Signals
Table 4. Signal Descriptions (Sheet 1 of 3)
Name
Type
Description
ALE
O
Address Latch Enable
This active-high output signal is asserted only during external memory cycles. ALE
signals the start of an external bus cycle and indicates that valid address information
is available on the system address/data bus.
An external latch can use this signal to demultiplex address from the address/data
bus.
BHE#
O
Byte High Enable
During 16-bit bus cycles, this active-low output signal is asserted for word and
high-byte reads and writes to external memory. BHE# indicates that valid data is
being transferred over the upper half of the system data bus. Use BHE#, in
conjunction with A0, to determine which memory byte is being transferred over the
system bus:
BHE#
A0
Byte(s) Accessed
0
both bytes
0
1
high byte only
1
0
low byte only
BHE# shares a package pin with WRH#.
The chip configuration register 0 (CCR0) determines whether this pin functions as
BHE# or WRH#. CCR0.2 = 1 selects BHE#; CCR0.2 = 0 selects WRH#.
CLKOUT
O
Clock Output
Output of the internal clock generator. CLKOUT has a 50% duty cycle.
shares a package pin
EXTINT
I
External Interrupt
In powerdown mode, asserting the EXTINT signal for at least 50 ns causes the
device to resume normal operation. The interrupt need not be enabled, but the pin
must be configured as a special-function input. If the EXTINT interrupt is enabled,
the CPU executes the interrupt service routine. Otherwise, the CPU executes the
instruction that immediately follows the command that invoked the power-saving
mode.
In idle mode, asserting any enabled interrupt causes the device to resume normal
operation.
INST
O
Instruction Fetch
This active-high output signal is valid only during external memory bus cycles. When
high, INST indicates that an instruction is being fetched from external memory. The
signal remains high during the entire bus cycle of an external instruction fetch. INST
is low for data accesses, including interrupt vector fetches and chip configuration
byte reads. INST is low during internal memory fetches.
NMI
I
Nonmaskable Interrupt
In normal operating mode, a rising edge on NMI generates a nonmaskable interrupt.
NMI has the highest priority of all prioritized interrupts. Assert NMI for greater than
one state time to guarantee that it is recognized.
ONCE
I
On-circuit Emulation
Holding ONCE during the rising edge of RESET# places the device into on-circuit
emulation (ONCE) mode. PLLEN must also be held low. This mode puts all pins into
a high-impedance state, thereby isolating the device from other components in the
system. The value of ONCE is latched when the RESET# pin goes inactive. While
the device is in ONCE mode, you can debug the system using a clip-on emulator.
To exit ONCE mode, reset the device by pulling the RESET# signal low. To prevent
inadvertent entry into ONCE mode, .
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S80C196KB | 制造商:INTEL 制造商全称:Intel Corporation 功能描述:COMMERCIAL/EXPRESS CHMOS MICROCONTROLLER |
| S80C196KB WAF | 制造商:Intel 功能描述: |
| S80C196KB16 | 功能描述:IC MPU 16-BIT 5V 16MHZ 80-QFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:80C 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名称:497-9032STM32F101T8U6-ND |
| S80C196KC | 制造商:INTEL 制造商全称:Intel Corporation 功能描述:COMMERCIAL/EXPRESS CHMOS MICROCONTROLLER |
| S80C196KC-16 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:16-Bit Microcontroller |
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