參數(shù)資料
型號: MC68HC2681P
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 87/88頁
文件大?。?/td> 461K
代理商: MC68HC2681P
Index
I-2
MC68HC681 USER’S MANUAL
MOTOROLA
DEX
MC68HC681
block diagram, 1-2
introduction, 1-1
operation, 3-1
programming and register descriptions, 4-1
signal descriptions, 2-1
mechanical data, 6-1
mode
automatic-echo, 3-5
counter, 3-6
local-loopback, 3-5
looping, 3-4
multidrop, 3-5
remote-loopback, 3-5
timer, 3-7
MR1A, 4-13
MR1B, 4-16
MR2A, 4-14
MR2B, 4-16
multidrop mode, 3-5
O
OP0, 2-5
OP0–OP7, 2-5
OP1, 2-5
OP2, 2-6
OP3, 2-6
OP4, 2-6
OP5, 2-6
OP6, 2-6
OP7, 2-6
OPCR, 4-20
operation
counter/timer
timer mode, 3-7
counter/timer, 3-6
coutner/timer
counter mode, 3-6
looping modes
automatic-echo, 3-5
local-loopback, 3-5
remote loopback, 3-5
looping modes, 3-4
multidrop mode, 3-5
receiver, 3-2
transmitter, 3-1
ordering information, 6-1
P
package dimensions, 6-2
Pin Assignment 6-3
pin functions
input port, 4-3
output port, 4-4
programming and register descriptions
register bit formats, 4-6
programming descriptions, 4-1
programming, 4-1
R
R/W, 2-3
ready-to-receive, 3-4
receivers, 3-2
register bit formats, 4-6
register descriptions, 4-1, 4-13
remote-loopback mode, 3-5
RESET, 2-3
RS1–RS4, 2-4
RxDA/RxDB, 2-4
S
signals, 2-1
specifications
electrical, 5-1
SRA, 4-19
SRB, 4-20
T
timer mode, 3-7
transmitters, 3-1
TxDA/TxDB, 2-4
V
VCC, 2-2
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