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| 型號(hào)： | S-35390A-T8T1 |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | REAL TIME CLOCK, PDSO8 |
| 封裝： | TSSOP-8 |
| 文件頁(yè)數(shù)： | 41/48頁(yè) |
| 文件大?。?/td> | 542K |
| 代理商： | S-35390A-T8T1 |
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38
EPSON
S1C88816 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Output Ports)
5.5 Output Ports (R ports)
5.5.1 Configuration of output ports
The S1C88816 is equipped with 5 bits of output
ports (R26, R27, R34, R50 and R51).
Furthermore, 2 bits of melody output ports MOUT
and MOUT are available.
Figure 5.5.1.1 shows the basic structure (excluding
special and melody output circuits) of the output
ports.
The output specification of each port is fixed at
complementary output.
5.5.3 High impedance control
The output port can be high impedance controlled
in software.
A high impedance control register is set for each
output port terminal as shown below. Either
complementary output and high impedance state
can be selected with this register.
HZR26: R26 high impedance control register
HZR27: R27 high impedance control register
HZR34: R34 high impedance control register
HZR50: R50 high impedance control register
HZR51: R51 high impedance control register
When a high impedance control register HZRxx is
set to "1", the corresponding output port terminal
becomes high impedance state and when set to "0",
it becomes complementary output.
5.5.4 DC output
As Figure 5.5.1.1 shows, when "1" is written to the
output port data register, the output terminal
switches to HIGH (VDD) level and when "0" is
written it switches to LOW (VSS) level. When
output is in a high impedance state, the data
written to the data register is output from the
terminal at the instant when output is switched to
complementary.
5.5.5 Special output
Besides normal DC output, each output port can
also be assigned special output function in software
(R27, R34, R50) or mask option (R26, R51) as shown
in Table 5.5.5.1.
Table 5.5.5.1 Special output ports
VDD
VSS
Data
bus
Rxx
Address
Data register
Address
High impedance
control register
Fig. 5.5.1.1 Structure of output ports
Each output port can be set into high impedance
state by software.
Besides normal DC output, the output ports have
special output functions. The R27, R34 and R50
functions can be selected by software and the R26
and R51 functions can be selected by mask option.
Figure 5.5.1.2 shows the basic structure of the
melody output port. The output specification is
fixed at complementary output. This circuit has no
high-impedance control function and data register,
and is driven by the melody generator directly.
Output port
R26
R27
R34
R50
R51
Special output
TOUT output (mask option)
TOUT output (software selection)
FOUT output (software selection)
BZ output (software selection)
BZ output (mask option)
Fig. 5.5.1.2 Structure of melody output port
5.5.2 Mask option
R26 and R51 output port specifications
R26 .......... s
s DC output
s
s TOUT output
R51 .......... s
s DC output
s
s BZ output
The mask option allows selection of special outputs
for the R26 and R51 output ports as well as the DC
output. The R26 port can be set as the TOUT output
port (TOUT signal inverted output) and the R51
port can be set as the BZ output port (buzzer signal
inverted output).
VDD
VSS
MOUT
Melody
generator
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| S-35390A-T8T1G | 功能描述:實(shí)時(shí)時(shí)鐘 2-Wire 1.3-5.5V RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| S-35390A-T8T1U | 功能描述:IC RTC CLK/CALENDAR I2C 8TSSOP 制造商:ablic u.s.a. inc. 系列:- 零件狀態(tài):在售 類型:時(shí)鐘/日歷 特性:警報(bào)器，閏年 存儲(chǔ)容量:- 時(shí)間格式:HH：MM：SS（12/24 小時(shí)） 日期格式:YY-MM-DD-dd 接口:I2C，2 線串口 電壓 - 電源:1.3 V ~ 5.5 V 電壓 - 電源，電池:- 電流 - 計(jì)時(shí)（最大）:14μA ~ 30μA @ 3V ~ 5V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商器件封裝:8-TSSOP 標(biāo)準(zhǔn)包裝:1 |
| S-35391A-I8T1U | 功能描述:IC RTC CLK/CALENDAR I2C SNT-8A 制造商:ablic u.s.a. inc. 系列:- 包裝:剪切帶（CT） 零件狀態(tài):在售 類型:時(shí)鐘/日歷 特性:警報(bào)器，閏年 存儲(chǔ)容量:- 時(shí)間格式:HH：MM：SS（12/24 小時(shí)） 日期格式:YY-MM-DD-dd 接口:I2C，2 線串口 電壓 - 電源:1.3 V ~ 5.5 V 電壓 - 電源，電池:- 電流 - 計(jì)時(shí)（最大）:14μA ~ 30μA @ 3V ~ 5V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SMD，扁平引線 供應(yīng)商器件封裝:SNT-8A 標(biāo)準(zhǔn)包裝:1 |
| S-35392A | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:2-WIRE REAL-TIME CLOCK |
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