ST10F280 STMicroelectronics, ST10F280 Datasheet - Page 61

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ST10F280

Manufacturer Part Number
ST10F280
Description
MCU 16BIT 512K FLASH MAC 208-PBG
Manufacturer
STMicroelectronics
Series
ST10r
Datasheet

Specifications of ST10F280

Core Processor
ST10
Core Size
16-Bit
Speed
40MHz
Connectivity
ASC, CAN, EBI/EMI, SSC
Peripherals
POR, PWM, WDT
Number Of I /o
143
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
18K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 32x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
208-PBGA
Processor Series
ST10F28x
Core
ST10
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
 Details

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11.2 - New PWM Module : XPWM
The new Pulse Width Modulation (XPWM) Module
of the ST10F280 is mapped on the XBUS inter-
face (Address range 00’EC00h-00’ECFFh) and
allows the generation of up to 4 independent
PWM signals.The XPWM is enabled by setting
XPEN bit 2 of the SYSCON register and bit 4 of
the new XPERCON register. The frequency range
of these XPWM signals for a 40MHz CPU clock is
from 9.6Hz up to 20MHz for edge aligned signals.
For center aligned signals the frequency range is
4.8Hz up to 10MHz (see detailed description).
The minimum values depend on the width (16 bit)
and the resolution (CLK/1 or CLK/64) of the
XPWM timers. The maximum values assume that
the XPWM output signal changes with every cycle
Figure 18 : SFRs and Port Pins Associated with the XPWM Module
Figure 19 : XPWM Channel Block Diagram
Clock 1
Clock 2
* User readable / writeable register
XPP0
XPW0
XPP1
XPW1
XPP2
XPW2
XPP3
XPW3
Output on dedicated pins
XPWM0
XPWM1
XPWM2
XPWM3
15
Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
14
Y
Control
13
Y
Input
12
Y
Data Registers
11
Y
10
Y
Y
9
8
Y
Y
7
6
Y
Y
5
Run
4
Y
Y
3
2
Y
XPPx
XPWx
XPTx
XPWMCONx
XPOLARx
XP2IC
Y
1
Y
0
XPWx Pulse Width Register
XPT0
XPT1
XPT2
XPT3
16-bit Up/Down Counter
XPPx Period Register
XPWM Period Register x
XPWM Pulse WIdth Register x
XPWM Counter Register x
XPWM Control Register 0/1
XPWM Output Polarity Control Register 0/1
XPWM Interrupt Control Register
Shadow Register
15
Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Comparator
Comparator
14
Y
13
Y
XPTx
12
Y
Counter Registers
11
Y
10
Y
Y
9
8
Y
Y
7
of the respective timer. In a real application the
maximum XPWM frequency will depend on the
required resolution of the XPWM output signal
(see Figure 18).
The Pulse Width Modulation Module consists of
4 independent PWM channels. Each channel has
a 16-bit up/down counter XPTx, a 16-bit period
register XPPx with a shadow latch, a 16-bit pulse
width register XPWx with a shadow latch, two
comparators, and the necessary control logic. The
operation of all four channels is controlled by two
common control registers, XPWMCON0 and
XPWMCON1, and the interrupt control and status
is handled by one interrupt control register
XP2IC, which is also common for all channels
(see Figure 19).
6
Y
Y
5
*
*
*
4
Y
Y
3
Match
2
Y
Y
1
Match
0
Y
XPWMCON0
XPWMCON1
XPOLAR
XP2IC E
Y
-
E
Output Control
Clear Control
Write Control
:
:
:
Up/Down/
This bit has a XPWM function
This bit has no XPWH function or is not implemnented
This register belongs to ESFR area
Control Registers and Interrupt Control
15
Y
Y Y - Y -
- -
- -
14
Y
13
Y
-
-
12
Y
-
-
11
Y
-
-
10
Y
- - - Y Y Y Y Y Y Y Y
- - - - - - - Y Y Y Y
- - - Y Y Y Y Y Y Y Y
Enable
9
Y
Y
8
7
Y
Y
6
Y
5
Y
4
XPOUTx
Y
3
2
Y
ST10F280
Y
1
0
Y
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