MM912F634DV1AE Freescale Semiconductor, MM912F634DV1AE Datasheet - Page 28

• Manufacturer Part Number: MM912F634DV1AE
• Description: 16-bit Microcontrollers - MCU DUAL LS/HS SWITCH W. LIN
• Manufacturer: Freescale Semiconductor

Specifications of MM912F634DV1AE

• Rohs: yes
• Core: HCS12
• Processor Series: MM912F634
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 32 KB
• Data Ram Size: 2 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 4.5 V to 5.5 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-48
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 15
• Interface Type: SPI
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 6
• Number Of Timers: 1
• Program Memory Type: Flash
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V

Electrical Characteristics
3.6.2.1.5
The time it takes to perform a blank check on the Flash is dependant on the location of the first non-blank word, starting at relative
address zero. It takes one bus cycle per word to verify plus a setup of the command.
Freescale Semiconductor
Table 37. NVM Timing Characteristics
Bus frequency for programming or erase operations
Operating frequency
Single word programming time
Flash burst programming consecutive word
Flash burst programming time for 64 words
Sector erase time
Mass erase time
Blank check time Flash per block
Note:
36.
37.
38.
39.
40.
Minimum programming times are achieved under maximum NVM operating frequency f
The sector erase cycle is divided into 16 individual erase pulses to achieve faster system response during the erase flow. The given
Minimum erase times are achieved under maximum NVM operating frequency, f
Minimum time, if first word in the array is not blank.
Maximum time to complete check on an erased block.
erase time (t
(37)
Blank Check
ERA
) specifies the time considering consecutive pulses.
Rating
(39)
t
check
ª
location
Þ
t
cyc
f
Symbol
t
t
f
t
NVMBUS
t
SWPGM
BWPGM
NVMOP
BRPGM
t
CHECK
t
MASS
ERA
+
10
Þ
t
cyc
NVMOP
1331.2
20.4
100
46
20
11
Min
150
1.0
(39)
(36)
(38)
(40)
(36)
.
NVMOP
(36)
Dynamic Electrical Characteristics
and maximum bus frequency f
Typ
-
-
-
-
-
-
-
-
2027.5
65546
74.5
26.7
133
31
Max
200
-
(37)
(37)
(36)
(37)
(40)
(37)
MM912F634
BUS
MHz
Unit
t
kHz
ms
ms
CYC
s
s
s
.
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