參數(shù)資料
型號: 4559
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機(jī)的CMOS
文件頁數(shù): 123/148頁
文件大?。?/td> 1732K
代理商: 4559
Rev.1.04
Aug 23, 2007
Page 76 of 146
REJ03B0188-0104
4559 Group
Note 1. R” represents read enabled, and “W” represents write enabled.
Note 2. The stopped clock cannot be selected for system clock.
Note 3. “11” cannot be set to the low-order 2 bits (MR1, MR0) of register MR.
Note 4. The oscillation circuit selected for system clock cannot be stopped.
Clock control register MR
at reset : 11002
at power down : state retained
R/W
TAMR/TMRA
MR3
Operation mode selection bits
MR3 MR2
Operation mode
0
Through mode
0
1
Frequency divided by 2 mode
MR2
1
0
Frequency divided by 4 mode
1
Frequency divided by 8 mode
MR1
System clock selection bits (Note 2)
MR1 MR0
System clock
0
f(RING)
MR0
0
1
f(XIN)
10
f(XCIN)
1
Not available (Note 3)
Clock control register RG
at reset : 0002
at power down : state retained
W
TRGA
RG2 Sub-clock (f(XCIN)) control bit (Note 4)
0
Sub-clock (f(XCIN)) oscillation available, ports D6 and D7 not selected
1
Sub-clock (f(XCIN)) oscillation stop, ports D6 and D7 selected
RG1 Main-clock (f(XIN)) control bit (Note 4)
0
Main clock (f(XIN)) oscillation available
1
Main clock (f(XIN)) oscillation stop
RG0
On-chip oscillator (f(RING)) control bit
(Note 4)
0
On-chip oscillator (f(RING)) oscillation available
1
On-chip oscillator (f(RING)) oscillation stop
相關(guān)PDF資料
PDF描述
456700000 Terminal Block; Leaded Process Compatible:Yes
457000000 Cross Connector; Number of Positions:10; Current Rating:24 VA
45714-0003 Edge Connector,PCB Mnt,RECEPT,8 Contacts,0.507 Pitch,COMPLIANT FIT Terminal,GUIDE SLOT
45714-0001 Card Edge Connector; No. of Contacts:4; Pitch Spacing:0.508"; Contact Termination:Press-Fit; Body Material:LCP Liquid Crystal Polymer, Glass-filled; Mounting Type:Through Hole; Series:45714; Color:Black; Voltage Rating:250V RoHS Compliant: Yes
45714-0002 Card Edge Connector; No. of Contacts:6; Pitch Spacing:0.508"; Contact Termination:Press-Fit; Body Material:LCP Liquid Crystal Polymer, Glass-filled; Mounting Type:Through Hole; Series:45714; Color:Black; Voltage Rating:250V RoHS Compliant: Yes
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