mc68hc908ap8a Freescale Semiconductor, Inc, mc68hc908ap8a Datasheet - Page 98

• Manufacturer Part Number: mc68hc908ap8a
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

System Integration Module (SIM)
98
$FE00
$FE01
$FE03
$FE04
Addr.
PIN LOGIC
RESET
SIM Break Status Register
Note: Writing a logic 0 clears SBSW.
SIM Reset Status Register
Interrupt Status Register 1
SIM Break Flag Control
Register Name
Register (SBFCR)
V
DD
INTERNAL
PULLUP
DEVICE
(SBSR)
(SRSR)
(INT1)
SIM RESET STATUS REGISTER
Reset:
Reset:
Reset:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
POR:
RESET PIN CONTROL
Figure 7-2. SIM I/O Register Summary
POR CONTROL
AND PRIORITY DECODE
STOP/WAIT
MC68HC908AP A-Family Data Sheet, Rev. 3
INTERRUPT CONTROL
CONTROL
CONTROL
CLOCK
BCFE
Bit 7
POR
Figure 7-1. SIM Block Diagram
IF6
R
R
0
1
0
0
PIN
IF5
R
R
R
6
0
0
0
CLOCK GENERATORS
RESET
COUNTER
SIM
COP
÷ 2
IF4
R
R
R
5
0
0
0
CONTROL
MASTER
RESET
ILOP
IF3
R
R
R
4
0
0
0
ILAD
IF2
R
R
R
3
0
0
0
MODULE STOP
MODULE WAIT
CPU STOP (FROM CPU)
CPU WAIT (FROM CPU)
SIMOSCEN (TO CGM, OSC)
COP CLOCK
ICLK (FROM OSC)
CGMOUT (FROM CGM)
INTERNAL CLOCKS
LVI (FROM LVI MODULE)
ILLEGAL OPCODE (FROM CPU)
ILLEGAL ADDRESS (FROM ADDRESS
MAP DECODERS)
COP (FROM COP MODULE)
INTERRUPT SOURCES
CPU INTERFACE
MODRST
IF1
R
R
R
2
0
0
0
Freescale Semiconductor
SBSW
NOTE
LVI
R
R
1
0
0
0
0
Bit 0
R
R
R
0
0
0
0
0