MC908AZ32ACFU Freescale Semiconductor, MC908AZ32ACFU Datasheet - Page 87

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MC908AZ32ACFU

Manufacturer Part Number
MC908AZ32ACFU
Description
IC MCU 32K FLASH 8.4MHZ 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC908AZ32ACFU

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
40
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 15x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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The SIM counter is held in reset from the execution of the STOP instruction until the beginning of stop
recovery. It is then used to time the recovery period.
7.7 SIM Registers
The SIM has three memory mapped registers.
7.7.1 SIM Break Status Register
The SIM break status register contains a flag to indicate that a break caused an exit from wait mode.
BW — SIM Break Wait
Freescale Semiconductor
This status bit is useful in applications requiring a return to wait mode after exiting from a break
interrupt. Clear BW by writing a 0 to it. Reset clears BW.
CGMXCLK
1 = Wait mode was exited by break interrupt
0 = Wait mode was not exited by break interrupt
INT/BREAK
IAB
Address:
Reset:
CPUSTOP
Read:
Write:
NOTE: Previous data can be operand data or the STOP opcode, depending on the last
R/W
IDB
IAB
Figure 7-16. Stop Mode Recovery from Interrupt or Break
instruction
$FE00
Bit 7
R
R
Figure 7-17. SIM Break Status Register (SBSR)
STOP ADDR
STOP +1
.
= Reserved
Figure 7-15. Stop Mode Entry Timing
R
6
PREVIOUS DATA
MC68HC908AZ32A Data Sheet, Rev. 2
R
5
STOP ADDR + 1
STOP + 2
STOP RECOVERY PERIOD
NEXT OPCODE
R
4
Figure 7-15
STOP + 2
NOTE: Writing a 0 clears BW
R
3
SAME
shows stop mode entry timing.
SP
R
2
SAME
SP – 1
See Note
BW
SAME
1
0
SAME
SP – 2
Bit 0
R
SIM Registers
SP – 3
87

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