參數(shù)資料
型號(hào)： S1C88816D
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, UUC164
封裝： DIE-164
文件頁數(shù)： 109/173頁
文件大?。?/td> 1411K
代理商： S1C88816D
32
EPSON
S1C88816 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Input Ports)
5.4 Input Ports (K ports)
5.4.1 Configuration of input ports
The S1C88816 is equipped with 9 input port bits
(K00–K07 and K10) which are usable as general
purpose input port terminals with interrupt
function.
K10 terminal doubles as the external clock (EVIN)
input terminal of the programmable timer (event
counter) with input port functions sharing the
input signal as is. (See "5.10 Programmable Timer")
Each input port is equipped with a pull-up resistor.
The mask option can be used to select either "With
resistor" or "Gate direct" for each input port.
Figure 5.4.1.1 shows the structure of the input port.
Fig. 5.4.1.1 Structure of input port
Each input port terminal is directly connected via a
three-state buffer to the data bus. Furthermore, the
input signal state at the instant of input port
readout is read in that form as data.
5.4.2 Mask option
Input port pull-up resistors
K00 .... s
s With resistor s
s Gate direct
K01 .... s
s With resistor s
s Gate direct
K02 .... s
s With resistor s
s Gate direct
K03 .... s
s With resistor s
s Gate direct
K04 .... s
s With resistor s
s Gate direct
K05 .... s
s With resistor s
s Gate direct
K06 .... s
s With resistor s
s Gate direct
K07 .... s
s With resistor s
s Gate direct
K10 .... s
s With resistor s
s Gate direct
Input ports K00–K07 and K10 are all equipped with
pull-up resistors. The mask option can be used to
select 'With resistor' or 'Gate direct' for each port
(bit).
The 'With resistor' option is rendered suitable for
purposes such as push switch or key matrix input.
When changing the input terminal from LOW level
to HIGH with the built-in pull-up resistor, a delay
in the waveform rise time will occur depending on
the time constant of the pull-up resistor and the
load capacitance of the terminal. It is necessary to
set an appropriate wait time for introduction of an
input port. In particular, special attention should be
paid to key scan for key matrix formation. Make
this wait time the amount of time or more calcu-
lated by the following expression.
Wait time = RIN x (CIN + load capacitance on the
board) x 1.6 [sec]
RIN: Pull up resistance Max. value
CIN: Terminal capacitance Max. value
When 'Gate direct' is selected, the pull-up resistor is
detached and the port is rendered suitable for
purposes such as slide switch input and interfacing
with other LSIs.
In this case, take care that a floating state does not
occur in input.
For unused input ports, select the default setting of
"With resistor".
Input
interrupt
circuit
VDD
VSS
Data
bus
Kxx
KxxD
Address
Mask
option
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S1C8F360D511000 功能描述:16位微控制器 - MCU 8-bit Flash 60KB LCD Dr. 51 x 32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
S1C8F360F413100 功能描述:16位微控制器 - MCU 8-bit Flash 60KB LCD Dr. 51 x 32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
S1C8F360F513200 功能描述:16位微控制器 - MCU 8-bit Flash 60KB LCD Dr. 51 x 32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
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