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| MC68HC05B4 Datasheet, PDF (154/298 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit | |||
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Table A-2 Register outline
Register name
Port A data (PORTA)
Port B data (PORTB)
Port C data (PORTC)
Address bit 7 bit 6 bit 5
$0000
$0001
$0002
Port D data (PORTD)
Port A data direction (DDRA)
Port B data direction (DDRB)
Port C data direction (DDRC)
ECLK control
A/D data (ADDATA)
A/D status/control (ADSTAT)
Pulse length modulation A (PLMA)
Pulse length modulation B (PLMB)
Miscellaneous
$0003 PD7/ PD6/ PD5/
AN7 AN6 AN5
$0004
$0005
$0006
$0007 0
0
0
$0008
$0009 COCO ADRC ADON
$000A
$000B
$000C POR (1) INTP INTN
bit 4
bit 3
bit 2
bit 1
bit 0
State on
reset
Undeï¬ned
Undeï¬ned
PC2/
ECLK
Undeï¬ned
PD4/ PD3/ PD2/ PD1/ PD0/ Undeï¬ned
AN4 AN3 AN2 AN1 AN0
0000 0000
0000 0000
0000 0000
0 ECLK 0
0
0 0000 0000
0000 0000
0 CH3 CH2 CH1 CH0 0000 0000
0000 0000
0000 0000
INTE SFA SFB SM WDOG ?001 000?
(2)
SCI baud rate (BAUD)
SCI control 1 (SCCR1)
SCI control 2 (SCCR2)
SCI status (SCSR)
SCI data (SCDR)
Timer control (TCR)
Timer status (TSR)
Input capture high 1
Input capture low 1
Output compare high 1
Output compare low 1
Timer counter high
Timer counter low
Alternate counter high
Alternate counter low
Input capture high 2
Input capture low 2
Output compare high 2
Output compare low 2
$000D SPC1 SPC0 SCT1 SCT0 SCT0 SCR2 SCR1 SCR0 00uu uuuu
$000E R8 T8
M WAKE CPOL CPHA LBCL uuuu uuuu
$000F TIE TCIE RIE ILIE TE RE RWU SBK 0000 0000
$0010 TDRE TC RDRF IDLE OR NF FE
1100 000u
$0011
0000 0000
$0012 ICIE OCIE TOIE FOLV2 FOLV1 OLV2 IEDG1 OLVL1 0000 00u0
$0013 ICF1 OCF1 TOF ICF2 OCF2
uuuu uuuu
$0014
Undeï¬ned
$0015
Undeï¬ned
$0016
Undeï¬ned
$0017
Undeï¬ned
$0018
1111 1111
$0019
1111 1100
$001A
1111 1111
$001B
1111 1100
$001C
Undeï¬ned
$001D
Undeï¬ned
$001E
Undeï¬ned
$001F
Undeï¬ned
(1) This bit is set each time there is a power-on reset.
(2) The state of the WDOG bit after reset is dependent upon the mask option selected; 1=watchdog enabled, 0=watchdog disabled.
14
MOTOROLA
A-4
MC68HC05B4
TPG
MC68HC05B6
Rev. 4
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