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: 41/83页
文件大小: 1024K
代理商: S1S60000F00A100
S1S60000 Technical Manual
40
EPSON
Rev.1.5
5.2.7
GPALT
(GPIO Alternate Function Register: offset 8h)
It is set when enabling the alternate function of GPIO [15:0] pin.
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
GPALT15
GPALT14
GPALT13
GPALT12
GPALT11
GPALT10
GPALT9
GPALT8
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
GPALT7
GPALT6
GPALT5
GPALT4
GPALT3
GPALT2
GPALT1
GPALT0
bit
Name
Init.
Description
15:8
GPALT[15:8]
FFh
Used to enable function of GPIO [15:8] as the serial pin.
Refer to Chapter 2.3
for detail.
0: GPIO function
1: Serial Interface pin
[ Important ]
Be sure to switch bit [15:8] in a lump.
When set for any value other than
"00h" or "FFh", does not operate normally for either function.
7
GPALT7
0
Used to enable function of GPIO7 as OSCCTL.
After the sleep mode is turned on, GPIO7 is used to specify whether the
external oscillator is to be stopped or not.
When this bit is 1, GPIO7
generates output.
In the normal operation, its output is HIGH level and in the
sleep mode, LOW level is output.
0: GPIO7
1: OSCCTL output
6
GPALT6
0
Alternate function of GPIO6 is not prepared.
Set “0”.
5
GPALT5
0
Alternate function of GPIO5 is not prepared.
Set “0”.
4
GPALT4
0
Alternate function of GPIO4 is not prepared.
Set “0”.
3
GPALT3
0
Alternate function of GPIO3 is not prepared.
Set “0”.
2
GPALT2
0
Used to enable function of GPIO2 as CRS.
In Half Duplex communication, GPIO2 is used CRS input.
0: GPIO2
1: CRS input
1
GPALT1
0
Alternate function of GPALT1 is not prepared.
Set “0”.
0
GPALT0
0
Used to enable functions of GPIO0 as INT0.
It detects the LOW level and enables the notification function on the network.
Also, it restores the normal mode from the sleep mode.
0: GPIO0
1: INT0 (LOW Level)
Note: When using it as INT0, design the peripheral circuits so that it comes to
HIGH Level all the time other than interruption.
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