MMC2107CFCPV33 Freescale Semiconductor, MMC2107CFCPV33 Datasheet - Page 279

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MMC2107CFCPV33

Manufacturer Part Number
MMC2107CFCPV33
Description
IC MCU 33MHZ 128K FLASH 144-LQFP
Manufacturer
Freescale Semiconductor
Series
MCorer
Datasheet

Specifications of MMC2107CFCPV33

Core Processor
M210
Core Size
32-Bit
Speed
33MHz
Connectivity
EBI/EMI, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
72
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Data Bus Width
32 bit
Data Ram Size
8 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
33 MHz
Number Of Programmable I/os
32
Number Of Timers
4 bit
Operating Supply Voltage
0 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No RoHS Version Available

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13.6.2.4 Watchdog Service Register
MMC2107 – Rev. 2.0
MOTOROLA
Address: 0x00c7_0006 and 0x00c7_0007
When the watchdog timer is enabled, writing 0x5555 and then 0xAAAA
to the watchdog service register (WSR) before the watchdog counter
times out prevents a reset. If WSR is not serviced before the timeout, the
watchdog timer sends a signal to the reset controller module which sets
the WDR bit and asserts a system reset.
Both writes must occur in the order listed before the timeout, but any
number of instructions can be executed between the two writes.
However, writing any value other than 0x5555 or 0xAAAA to WSR resets
the servicing sequence, requiring both values to be written to keep the
watchdog timer from causing a reset.
Reset:
Reset:
Read:
Read:
Write:
Write:
Freescale Semiconductor, Inc.
For More Information On This Product,
WS15
Bit 15
WS7
Bit 7
Figure 13-5. Watchdog Service Register (WSR)
0
0
Go to: www.freescale.com
Watchdog Timer Module
WS14
WS6
14
0
6
0
WS13
WS5
13
0
5
0
WS12
WS4
12
0
4
0
WS11
WS3
11
0
3
0
Memory Map and Registers
WS10
WS2
10
0
2
0
Watchdog Timer Module
WS9
WS1
9
0
1
0
Technical Data
WS8
WS0
Bit 8
Bit 0
0
0
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