MC9S08RE16CFDER Freescale Semiconductor, MC9S08RE16CFDER Datasheet - Page 139
![IC MCU 16K FLASH 1K RAM 48-QFN](/photos/37/62/376240/qfn-48_sml.jpg)
MC9S08RE16CFDER
Manufacturer Part Number
MC9S08RE16CFDER
Description
IC MCU 16K FLASH 1K RAM 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Specifications of MC9S08RE16CFDER
Core Processor
HCS08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
39
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QFN
Processor Series
S08RE
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SCI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
39
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08RG60E
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
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10.7.1
TPM1SC contains the overflow status flag and control bits that are used to configure the interrupt enable,
TPM configuration, clock source, and prescale divisor. These controls relate to all channels within this
timer module.
Freescale Semiconductor
CLKS[B:A]
CPWMS
Reset
PS[2:0]
Field
TOIE
TOF
4:3
2:0
7
6
5
W
R
Timer Status and Control Register (TPM1SC)
TOF
Timer Overflow Flag — This flag is set when the TPM counter changes to $0000 after reaching the modulo
value programmed in the TPM counter modulo registers. When the TPM is configured for CPWM, TOF is set
after the counter has reached the value in the modulo register, at the transition to the next lower count value.
Clear TOF by reading the TPM status and control register when TOF is set and then writing a 0 to TOF. If another
TPM overflow occurs before the clearing sequence is complete, the sequence is reset so TOF would remain set
after the clear sequence was completed for the earlier TOF. Reset clears TOF. Writing a 1 to TOF has no effect.
0 TPM counter has not reached modulo value or overflow
1 TPM counter has overflowed
Timer Overflow Interrupt Enable — This read/write bit enables TPM overflow interrupts. If TOIE is set, an
interrupt is generated when TOF equals 1. Reset clears TOIE.
0 TOF interrupts inhibited (use software polling)
1 TOF interrupts enabled
Center-Aligned PWM Select — This read/write bit selects CPWM operating mode. Reset clears this bit so the
TPM operates in up-counting mode for input capture, output compare, and edge-aligned PWM functions. Setting
CPWMS reconfigures the TPM to operate in up-/down-counting mode for CPWM functions. Reset clears
CPWMS.
0 All TPM1 channels operate as input capture, output compare, or edge-aligned PWM mode as selected by the
1 All TPM1 channels operate in center-aligned PWM mode
Clock Source Select — As shown in
of three clock sources to drive the counter prescaler. The external source and the XCLK are synchronized to the
bus clock by an on-chip synchronization circuit.
Prescale Divisor Select — This 3-bit field selects one of eight divisors for the TPM clock input as shown in
Table
whatever clock source is selected to drive the TPM system.
0
7
MSnB:MSnA control bits in each channel’s status and control register
10-3. This prescaler is located after any clock source synchronization or clock source selection, so it affects
= Unimplemented or Reserved
TOIE
Figure 10-5. Timer Status and Control Register (TPM1SC)
0
6
Table 10-1. TPM1SC Register Field Descriptions
MC9S08RC/RD/RE/RG Data Sheet, Rev. 1.11
CPWMS
0
5
Table
CLKSB
10-2, this 2-bit field is used to disable the TPM system or select one
0
4
Description
CLKSA
3
0
PS2
0
2
PS1
0
1
Timer/PWM (TPM)
PS0
0
0
139
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