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參數(shù)資料
| 型號(hào)： | Z86E72 |
| 廠商： | ZiLOG, Inc. |
| 英文描述： | OTP IR Microcontroller(一次可編程紅外線微控制器) |
| 中文描述： | 檢察官辦公室紅外微控制器（一次可編程紅外線微控制器） |
| 文件頁(yè)數(shù)： | 19/75頁(yè) |
| 文件大?。?/td> | 394K |
| 代理商： | Z86E72 |
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Z86E72/73
Zilog
OTP IR Microcontroller
DS97LVO1100
P R E L I M I N A R Y
19
1
PIN FUNCTIONS
/DS
(Output, active Low). Data Strobe is activated once for
each external memory transfer. For a READ operation,
data must be available prior to the trailing edge of /DS. For
WRITE operations, the falling edge of /DS indicates that
output data is valid.
/AS
(Output, active Low). Address Strobe is pulsed once
at the beginning of each machine cycle. Address output is
through Port 0/Port 1 for all external programs. Memory
address transfers are valid at the trailing edge of /AS. Un-
der program control, /AS is placed in the high-impedance
state along with Ports 0 and 1, Data Strobe, and
Read/Write.
XTAL1
Crystal 1 (time-based input). This pin connects a
parallel-resonant crystal, ceramic resonator, LC, or RC
network or an external single-phase clock to the on-chip
oscillator input.
XTAL2
Crystal 2 (time-based output). This pin connects a
parallel-resonant, crystal, ceramic resonant, LC, or RC
network to the on-chip oscillator output.
R//W
Read/Write (output, write Low). The R//W signal is
Low when the CCP is writing to the external program or
data memory.
R//RL
(input). This pin, when connected to GND, disables
the internal ROM and forces the device to function as a
ROMless Z8. (Note that, when left unconnected or pulled
high to V
CC
, the part functions normally as a Z8 ROM ver-
sion.)
Port 0
(P07-P00). Port 0 is an 8-bit, bidirectional, CMOS-
compatible port. These eight I/O lines are configured un-
der software control as a nibble I/O port, or as an address
port for interfacing external memory. The output drivers
are push-pull. Port 0 is placed under handshake control. In
this configuration, Port 3, lines P32 and P35 are used as
the handshake control /DAV0 and RDY0. Handshake sig-
nal direction is dictated by the I/O direction to Port 0 of the
upper nibble P07-P04. The lower nibble must have the
same direction as the upper nibble.
For external memory references, Port 0 can provide ad-
dress bits A11-A8 (lower nibble) or A15-A8 (lower and up-
per nibble) depending on the required address space. If
the address range requires 12 bits or less, the upper nibble
of Port 0 can be programmed independently as I/O while
the lower nibble is used for addressing. If one or both nib-
bles are needed for I/O operation, they must be configured
by writing to the Port 0 mode register. After a hardware re-
set, Port 0 is configured as an input port.
Port 0 is set in the High-Impedance Mode if selected as an
address output state along with Port 1 and the control sig-
nals /AS, /DS, and R//W (Figure 8).
A software option is available to program 0.4 V
DD
CMOS
trip inputs on P00-P03. This allows direct interface to
mouse/trackball IR sensors.
An optional 200 kOhm pull-up is available as a software
option of all Port 0 bits with nibble select.
These pull-ups are disabled when configured (bit by bit) as
an output.
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參數(shù)描述 |
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| Z86E7208FSC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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| Z86E7216ASG | 功能描述:IC Z8 MCU OTP 16K IR CCP 44LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:Z8® 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類(lèi)型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| Z86E7216FSC | 功能描述:8位微控制器 -MCU 16K OTP ZIRC 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 |
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