MC68HC08AZ16 Datasheet, PDF (75/527 Pages) Motorola, Inc – HCMOS Microcontroller Unit

System Integration Module (SIM)
Table 1. SIM I/O register summary
Register Name
Bit 7 6
5
4
3
2
SIMBreakStatusRegister(SBSR) R
R
R
R
R
R
SIMResetStatusRegister(SRSR) POR PIN COP ILOP ILAD
0
SIM Break Flag Control Register
(SBFCR)
BCFE
0
0
0
0
0
R = Reserved for factory test
1 Bit 0 Addr.
SBSW R $FE00
LVI
0 $FE01
0
0 $FE03
Table 2 shows the internal signal names used in this section.
Signal Name
CGMXCLK
CGMVCLK
CGMOUT
IAB
IDB
PORRST
IRST
R/W
Table 2. Signal naming conventions
Description
Buffered version of OSC1 from clock generator module (CGM)
PLL output
PLL-based or OSC1-based clock output from CGM module
(Bus clock = CGMOUT divided by two)
Internal address bus
Internal data bus
Signal from the power-on reset module to the SIM
Internal reset signal
Read/write signal
MC68HC08AZ32
74
System Integration Module (SIM)
4-sim
MOTOROLA