參數(shù)資料
型號: GMS81508B
廠商: Hynix Semiconductor Inc.
元件分類: 8位微控制器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁數(shù): 55/110頁
文件大?。?/td> 1980K
代理商: GMS81508B
GMS81508B/16B/24B, GMS82512/16/24
52
MAY. 2001 Ver 2.0
Serial I/O Mode Register(SIOM) controls serial I/O func-
tion. According to SCK1 and SCK0, the internal clock or
external clock can be selected.
Serial I/O Data Register(SIOR) is an 8-bit shift register.
First LSB is send or is received.
Figure 13-2 SCI Control Register
BTCL
7
-
6
5
4
3
2
1
0
SRDY
SIOST
Serial transmission status bit
0: Serial transmission is in progress
1: Serial transmission is completed
Serial transmission Clock selection
00: f
XIN
÷
4
01: f
XIN
÷
16
10: f
÷
32
11: External Clock
INITIAL VALUE: -000 0001
B
ADDRESS: 0EA
H
SIOM
SIOSF
R53/SRDY Selection
0: R53
1: SRDY
R/W
R/W
R/W
R/W
R/W
R
Serial transmission start bit
Setting this bit starts an Serial transmission.
After one cycle, bit is cleared to “0” by hardware.
SM1
SM0
R/W
Serial transmission Operation Mode
00: Normal Port(R52,R51,R50)
01: Sending Mode(SCLK,SOUT,R50)
10: Receiving Mode(SCLK,R51,SIN)
11: Sending & Receiving Mode(SCLK,SOUT,SIN)
INITIAL VALUE: Undefined
ADDRESS: 0EB
SIOR
BTCL
7
6
5
4
3
2
1
0
R/W R/W R/W R/W
R/W R/W
R/W
R/W
Sending Data at Sending Mode
Receiving Data at Receiving Mode
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