MC68HC05J3 Datasheet, PDF (27/92 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

Table 3-1 Register outline
Register Name
Address bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State on
Reset
Port A data (PORTA)
$0000
Undefined
Port B data (PORTB)
Reserved
$0001 0
0
$0002
$0003
Undefined
3
Port A data direction (DDRA) $0004
0000 0000
Port B data direction (DDRB) $0005 0
0
0000 0000
Reserved
$0006
Port B configuration (CONFB) $0007 KSF KIE TCAP TCMP 0
0
0
0 0000 0000
Core timer control/status (CTCSR) $0008 CTOF RTIF CTOFE RTIE 0
0 RT1 RT0 uu00 0011
Core timer counter (CTCR)
$0009
Undefined
$000A
$000B
$000C
Reserved
$000D
$000E
$000F
$0010
$0011
Timer control (TCR)
$0012 ICIE OCIE TOIE 0
0
0 IEDG OLV 0000 00u0
Timer status (TSR)
$0013 ICF OCF TOF 0
0
0
0
0 uuu0 0000
Input capture high (ICH)
$0014 (bit 15)
(bit 8) Undefined
Input capture low (ICL)
$0015
Undefined
Output compare high (OCH)
$0016 (bit 15)
(bit 8) Undefined
Output compare low (OCL)
$0017
Undefined
Timer counter high (TCH)
$0018 (bit 15)
(bit 8) 1111 1111
Timer counter low (TCL)
$0019
1111 1100
Alternate counter high (ACH) $001A (bit 15)
(bit 8) 1111 1111
Alternate counter low (ACL)
$001B
1111 1100
Reserved
$001C
to
$0EFF
Reserved
$0F00
MC68HC05J3
MEMORY AND REGISTERS
TPG
MOTOROLA
3-3