MC908GR32ACFAER Freescale Semiconductor, MC908GR32ACFAER Datasheet - Page 199
![IC MCU 32K FLASH 8MHZ 48-LQFP](/photos/39/61/396123/4734654_sml.jpg)
MC908GR32ACFAER
Manufacturer Part Number
MC908GR32ACFAER
Description
IC MCU 32K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GR32ACFJE.pdf
(314 pages)
Specifications of MC908GR32ACFAER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Controller Family/series
HC08
No. Of I/o's
37
Ram Memory Size
1.5KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08GR
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
ESCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
53
Number Of Timers
8
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68CBL05CE, M68EML08GPGTE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 24 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908GR32ACFAER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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14.7 SIM Registers
The SIM has three memory-mapped registers.
14.7.1 Break Status Register
The break status register (BSR) contains a flag to indicate that a break caused an exit from wait mode.
This register is only used in emulation mode.
SBSW — SIM Break Stop/Wait
14.7.2 SIM Reset Status Register
This register contains six flags that show the source of the last reset provided all previous reset status bits
have been cleared. Clear the SIM reset status register by reading it. A power-on reset sets the POR bit
and clears all other bits in the register.
The register is initialized on power up with the POR bit set and all other bits cleared. During a POR or any
other internal reset, the RST pin is pulled low. After the pin is released, it will be sampled 32 CGMXCLK
cycles later. If the pin is not above V
other bits are set.
Freescale Semiconductor
SBSW can be read within the break state SWI routine. The user can modify the return address on the
stack by subtracting one from it.
1 = Wait mode was exited by break interrupt.
0 = Wait mode was not exited by break interrupt.
Address:
Address:
Reset:
Reset:
Read:
Read:
Write:
Write:
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
$FE00
$FE01
POR
Bit 7
Bit 7
R
R
0
1
Figure 14-22. SIM Reset Status Register (SRSR)
Address
$FE00
$FE01
$FE03
Figure 14-21. Break Status Register (BSR)
= Unimplemented
= Reserved
PIN
R
6
0
6
0
IH
Table 14-4. SIM Registers
at this time, then the PIN bit may be set, in addition to whatever
COP
R
5
0
5
0
Register
SRSR
BFCR
BSR
Table 14-4
1. Writing a 0 clears SBSW.
ILOP
R
4
0
4
0
shows the mapping of these registers.
ILAD
R
3
0
3
0
Access Mode
MODRST
User
User
User
R
2
0
2
0
Note
SBSW
LVI
1
0
1
0
(1)
Bit 0
Bit 0
R
0
0
0
SIM Registers
199
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