MC68HLC908QY4 Datasheet, PDF (29/182 Pages) Motorola, Inc – Microcontrollers

Input/Output (I/O) Section
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
Read:
SBSW
Break Status Register
R
R
R
R
R
R
R
$FE00
(BSR) Write:
See note 1
See page 139. _Reset:
0
1. Writing a 0 clears SBSW.
SIM Reset Status Register ^{Read: POR}
PIN
$FE01
(SRSR) Write:
See page 117. _POR:
1
0
$FE02
Read: 0
0
Break Auxiliary
Register (BRKAR) Write:
See page 139.
Reset: 0
0
$FE03
Break Flag Control ^Read: _BCFE
R
Register (BFCR) Write:
See page 139. _Reset:
0
Interrupt Status Register 1 ^Read:
0
IF5
$FE04
(INT1) Write: R
R
See page 77. _Reset:
0
0
Read: IF14
0
Interrupt Status Register 2
$FE05
(INT2) Write: R
R
See page 77. _Reset:
0
0
Interrupt Status Register 3 ^Read:
0
0
$FE06
(INT3) Write: R
R
See page 77. _Reset:
0
0
$FE07
Reserved
R
R
COP
ILOP
ILAD MODRST LVI
0
0
0
0
0
0
0
0
0
0
0
0
BDCOP
0
0
0
0
0
0
R
R
R
R
R
R
IF4
IF3
0
IF1
0
0
R
R
R
R
R
R
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
0
0
0
0
0
0
0
0
0
0
0
IF15
R
R
R
R
R
R
0
0
0
0
0
0
R
R
R
R
R
R
$FE08
$FE09
$FE0A
FLASH Control Register ^Read:
(FLCR) Write:
See page 32. _Reset:
Break Address High ^Read:
Register (BRKH) Write:
See page 138. _Reset:
Break Address low ^Read:
Register (BRKL) Write:
See page 138.
Reset:
0
0
Bit 15
0
Bit 7
0
0
0
0
0
Bit 14
Bit 13
0
0
Bit 6
Bit 5
0
0
= Unimplemented
0
HVEN MASS ERASE PGM
0
0
0
0
0
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
0
0
0
0
0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
0
0
R = Reserved U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 5 of 6)
MC68HLC908QY/QT Family Data Sheet, Rev. 3
Freescale Semiconductor
29