参数资料
型号: MC68HC05C12AB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封装: SHRINK, PLASTIC, DIP-42
文件页数: 120/156页
文件大小: 3848K
代理商: MC68HC05C12AB
NON-DISCLOSURE
AGREEMENT
REQUIRED
Serial Communications Interface (SCI)
General Release Specification
MC68HC05C12A Rev. 3.0
Serial Communications Interface (SCI)
When the shift register is not transmitting a character, the PD1/TDO pin
goes to the idle condition, logic 1. If software clears the TE bit during the
idle condition, and while TDRE is set, the transmitter relinquishes control
of the PD1/TDO pin.
Figure 9-2. SCI Transmitter
0
T8
SCDR ($0011)
6
BIT 7
5
4321
BIT 0
BAUD RATE REGISTER (BAUD)
SCP0
SCR2
SCR1
$000D
R8
SCI CONTROL REGISTER 1 (SCCR1)
M
WAKE
$000E
TCIE
TIE
SCI CONTROL REGISTER 2 (SCCR2)
RIE
ILIE
TE
RE
RWU
SBK
$000F
SCP1
TC
TDRE
SCI STATUS REGISTER (SCSR)
RDRF
IDLR
OR
NF
$0010
BIT 6
BIT 7
SCI DATA REGISTER (SCDR)
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
$0011
FE
0
TRANSMIT SHIFT REGISTER
7
6
5
4
3
2
1
0
8
H
L
TRANSMITTER
CONTROL LOGIC
LO
AD
FR
OM
SCDR
SHIFT
ENABLE
PREAMBLE
(ALL
LOGIC
ONES)
BREAK
(ALL
LOGIC
ZER
OS)
TDRE
TC
M
T8
TE
PIN BUFFER
AND CONTROL
PD1/
TDO
INTERNAL DATA BUS
SBK
TIE
TCIE
SCI
RECEIVE
REQUESTS
SCI
INTERRUPT
REQUEST
1X
BAUD RATE
CLOCK
0
SCR0
0
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.
相关PDF资料
PDF描述
MPC8280ZQMIBX 32-BIT, 266 MHz, RISC PROCESSOR, PBGA516
MPC8275CVRMIBX 32-BIT, 266 MHz, RISC PROCESSOR, PBGA516
M38268MCA-XXXFP 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP100
MB95R107APFV 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP64
MC68HC908EY8ACFAE 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32
相关代理商/技术参数
参数描述
MC68HC05C12B 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS
MC68HC05C12CP 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS
MC68HC05C12P 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS
MC68HC05C4 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:8-Bit Microcomputers
MC68HC05C8 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:PROGRAMMING REFRERENCE GUIDE