S9S08SG8E2VTJR Freescale Semiconductor, S9S08SG8E2VTJR Datasheet - Page 197
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S9S08SG8E2VTJR
Manufacturer Part Number
S9S08SG8E2VTJR
Description
8-bit Microcontrollers - MCU 9S08 UC W/ 8K 0.25UM SGF
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S08SG4E2CTGR.pdf
(336 pages)
Specifications of S9S08SG8E2VTJR
Rohs
yes
Core
HCS08
Data Bus Width
8 bit
Maximum Clock Frequency
40 MHz
Program Memory Size
8 KB
Data Ram Size
512 B
On-chip Adc
Yes
Operating Temperature Range
- 40 C to + 85 C
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
12
Interface Type
I2C, SCI, SPI
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
16
Number Of Timers
3
Program Memory Type
Flash
Supply Voltage - Max
5.5 V
Supply Voltage - Min
2.7 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
S9S08SG8E2VTJR
Manufacturer:
FREESCALE
Quantity:
20 000
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12.3.2
MTIMCLK contains the clock select bits (CLKS) and the prescaler select bits (PS).
Freescale Semiconductor
CLKS
Field
7:6
5:4
3:0
PS
Reset:
W
R
Unused register bits, always read 0.
Clock Source Select — These two read/write bits select one of four different clock sources as the input to the
MTIM prescaler. Changing the clock source while the counter is active does not clear the counter. The count
continues with the new clock source. Reset clears CLKS to 000.
00
01
10
11
All other encodings default to the bus clock (BUSCLK).
Clock Source Prescaler — These four read/write bits select one of nine outputs from the 8-bit prescaler.
Changing the prescaler value while the counter is active does not clear the counter. The count continues with the
new prescaler value. Reset clears PS to 0000.
0000 Encoding 0. MTIM clock source ÷ 1
0001 Encoding 1. MTIM clock source ÷ 2
0010 Encoding 2. MTIM clock source ÷ 4
0011 Encoding 3. MTIM clock source ÷ 8
0100 Encoding 4. MTIM clock source ÷ 16
0101 Encoding 5. MTIM clock source ÷ 32
0110 Encoding 6. MTIM clock source ÷ 64
0111 Encoding 7. MTIM clock source ÷ 128
1000 Encoding 8. MTIM clock source ÷ 256
All other encodings default to MTIM clock source ÷ 256.
MTIM Clock Configuration Register (MTIMCLK)
Encoding 0. Bus clock (BUSCLK)
Encoding 1. Fixed-frequency clock (XCLK)
Encoding 3. External source (TCLK pin), falling edge
Encoding 4. External source (TCLK pin), rising edge
7
0
0
Table 12-3. MTIM Clock Configuration Register Field Description
Figure 12-5. MTIM Clock Configuration Register
0
0
6
MC9S08SG32 Data Sheet, Rev. 8
0
5
CLKS
0
4
Description
0
3
Chapter 12 Modulo Timer (S08MTIMV1)
0
2
PS
0
1
0
0
191
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