S9S08SG16E1CTL Freescale Semiconductor, S9S08SG16E1CTL Datasheet - Page 56
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S9S08SG16E1CTL
Manufacturer Part Number
S9S08SG16E1CTL
Description
MCU 16K FLASH 28-TSSOP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.S9S08SG16E1CTG.pdf
(330 pages)
Specifications of S9S08SG16E1CTL
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-TSSOP
Processor Series
S08SG
Core
HCS08
Data Bus Width
8 bit
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08SG32, DEMO9S08SG32AUTO, DEMO9S08SG8, DEMO9S08SG8AUTO
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
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Chapter 4 Memory
4.7
The FLASH module has nine 8-bit registers in the high-page register space, two locations (NVOPT,
NVPROT) in the nonvolatile register space in FLASH memory are copied into corresponding high-page
control registers (FOPT, FPROT) at reset. There is also an 8-byte comparison key in FLASH memory.
Refer to
refers to registers and control bits only by their names. A Freescale Semiconductor-provided equate or
header file normally is used to translate these names into the appropriate absolute addresses.
4.7.1
Bit 7 of this register is a read-only flag. Bits 6:0 may be read at any time but can be written only one time.
Before any erase or programming operations are possible, write to this register to set the frequency of the
clock for the nonvolatile memory system within acceptable limits.
Table 4-7
56
Reset
PRDIV8
DIVLD
Field
DIV
5:0
7
6
W
R
Table 4-3
FLASH Registers and Control Bits
shows the appropriate values for PRDIV8 and DIV for selected bus frequencies.
DIVLD
FLASH Clock Divider Register (FCDIV)
Divisor Loaded Status Flag — When set, this read-only status flag indicates that the FCDIV register has been
written since reset. Reset clears this bit and the first write to this register causes this bit to become set regardless
of the data written.
0 FCDIV has not been written since reset; erase and program operations disabled for FLASH.
1 FCDIV has been written since reset; erase and program operations enabled for FLASH.
Prescale (Divide) FLASH Clock by 8
0 Clock input to the FLASH clock divider is the bus rate clock.
1 Clock input to the FLASH clock divider is the bus rate clock divided by 8.
Divisor for FLASH Clock Divider — The FLASH clock divider divides the bus rate clock (or the bus rate clock
divided by 8 if PRDIV8 = 1) by the value in the 6-bit DIV field plus one. The resulting frequency of the internal
FLASH clock must fall within the range of 200 kHz to 150 kHz for proper FLASH operations. Program/Erase
timing pulses are one cycle of this internal FLASH clock which corresponds to a range of 5 μs to 6.7 μs. The
automated programming logic uses an integer number of these pulses to complete an erase or program
operation. See
0
7
and
= Unimplemented or Reserved
Table 4-4
PRDIV8
Equation 4-1
0
6
if PRDIV8 = 1 — f
Figure 4-5. FLASH Clock Divider Register (FCDIV)
if PRDIV8 = 0 — f
Table 4-6. FCDIV Register Field Descriptions
for the absolute address assignments for all FLASH registers. This section
and
0
5
MC9S08SG32 Data Sheet, Rev. 8
Equation
FCLK
FCLK
4-2.
= f
0
4
= f
Bus
Description
Bus
÷ (8 × (DIV + 1))
÷ (DIV + 1)
3
0
DIV
0
2
Freescale Semiconductor
0
1
Eqn. 4-1
Eqn. 4-2
0
0
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