参数资料
型号: S1S60000F00A100
元件分类: 微控制器/微处理器
英文描述: 1 CHANNEL(S), 2M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封装: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, QFP15-100
文件页数: 52/83页
文件大小: 1024K
代理商: S1S60000F00A100
S1S60000 Technical Manual
50
EPSON
Rev.1.5
5.2.25
COMN0,COMN1,COMN2,COMN3
(Community Name: offset 24h to 27h)
It holds community name that can be set to the SNMP agent. Initial values and set values of respective registers
are as shown in Table 5.12.
The default community name of the SNMP agent is “public” irrespective of values
of the built-in registers.
Table 5.12
Setting of SNMP Community Name
Target
Initial value
Notation in hex
Register setting
Offset
Community name
public
70.75.62.6C.69.63.00.00
COMN0=7570h,
COMN1=6C62h,
COMN2=6369h,
COMN3=0000h
24h
25h
26h
27h
5.3
GPIO
As GPIO (General Purpose Input/Output), S1S60000 has 16 GPIO pins of GPIO[7:0] and GPIO[15:8].
Each
pin allows independent operation.
Special functions other than the GPIO function are assigned to some pins.
You can switch the functions by changing setting of the GPALT register.
After the reset, every pin usable as GPIO is set for the input and the output value is initialized to 0.
When an
output operation is conducted on a pin being specified set for input, the specified data is set as a requested output
value but actual output is not generated.
If the pin is set as an output pin after that, the specified value will be
output from the pin.
When you want to maintain the GPIO output at HIGH level after the hardware reset, set
the level of the pins currently being reset at HIGH by use of the external pull-up register and then select 1 for the
output setting.
Table 5.13
GPIO Pin Functions
Pin name
Characteristics
(*1)
Special function
Priority
GPIO0/INT0
5V tolerant input
Interrupt notice/return from sleep mode
1
GPIO1
5V tolerant input
1
GPIO2/CRS
5V tolerant input
CRS input
1
GPIO3
5V tolerant input
2
GPIO4
5V tolerant input
3
GPIO5
5V tolerant input
3
GPIO6
5V tolerant input
3
GPIO7/OSCCTL
5V tolerant input
Control of external OSC
3
GPIO8/RXD
3.3V schmitt input
Serial Interface
2
GPIO9/TXD
3.3V schmitt input
Serial Interface
2
GPIO10/MODE
3.3V schmitt input
Serial Interface
2
GPIO11/RSV1
3.3V schmitt input
Serial Interface
2
GPIO12/CTS#
3.3V schmitt input
Serial Interface
1
GPIO13/DSR#
3.3V schmitt input
Serial Interface
1
GPIO14/RTS#
3.3V schmitt input
Serial Interface
1
GPIO15/DTR#
3.3V schmitt input
Serial Interface
1
*1
Every pin conforms to CMOS input/output.
Priority indicates the order of operation when two or more pins are to be operated at the same time.
Switching
occurs at the same time among the pins with the same priority level.
Among the pins with different priority
levels, however, there occurs some differences in input and output (due to the time required for the
software-based operation).
If you want such pins to change at the same time, an additional arrangement such as
an external latch to be operated by GPIO is required.
When the INT0 function is enabled, GPIO0 can be used as the Low level input interrupt pin.
This interrupt
takes the S1S60000 out of the sleep mode.
Also, when the DDSTEN bit of the GENCR register is set to “1”,
the notice packet can be sent to the preset network connection destination. For more details, please refer to “5.3.1
Interrupt Notice Function”.
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