M3087BFKBGP#U3 Renesas Electronics America, M3087BFKBGP#U3 Datasheet - Page 205
M3087BFKBGP#U3
Manufacturer Part Number
M3087BFKBGP#U3
Description
IC M32C/87B MCU FLASH 144LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheet
1.M3087BFLGPU3.pdf
(629 pages)
Specifications of M3087BFKBGP#U3
Core Processor
M32C/80
Core Size
16/32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IEBus, IrDA, SIO, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
121
Program Memory Size
768KB (768K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 34x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
For Use With
R0K330879S001BE - KIT DEV RSK M32C/87R0K330879S000BE - KIT DEV RSK M32C/87
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M3087BFKBGP#U3M3087BFKBGP#U5
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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M32C/87 Group (M32C/87, M32C/87A, M32C/87B)
REJ09B0180-0151 Rev.1.51 Jul 31, 2008
Page 181 of 587
15.1.4
Table 15.7
NOTES:
Count source
Count operation
16-bit PWM
8-bit PWM
Count start condition
Count stop condition
Interrupt request generation timing At the falling edge of the PWM pulse
TAiIN pin function
TAiOUT pin function
Read from timer
Write to timer
1. Bits CNT3 to CNT0 in the TCSPR register select no division (n = 0) or divide-by-2n (n = 1 to 15).
2. Wait for one or more count source cycles to write after the count starts.
In pulse width modulation mode, the timer outputs pulse signals of a given width repeatedly. The counter
functions as an 8-bit pulse width modulator or 16-bit pulse width modulator.
Table 15.7 lists specifications of pulse width modulation mode. Figures 15.19 and 15.20 show examples of a
16-bit pulse width modulator and 8-bit pulse width modulator operations.
Pulse Width Modulation Mode
Item
Specifications of Pulse Width Modulation Mode
Trigger input
f1, f8, f2n
• Counter decrements
• “H” width = n / fj
• Cycle = (2
• “H” width = n x (m + 1) / fj
• Cycle = (2
When a trigger is not used (the MR2 bit in the TAiMR register is 0):
When a trigger is used (the MR2 bit in the TAiMR register is 1):
• an external trigger is applied to TAiIN pin
• timer B2 overflows or underflows
• timer Aj overflows or underflows (j = i - 1, except j = 4 if i = 0)
• timer Ak overflows or underflows (k = i + 1, except k = 0 if i = 4)
The TAiS bit is set to 0 (count stops)
Pulse output
A read from the TAi register returns undefined value
• A write to the TAi register while the count is stopped:
• A write to the TAi register while counting:
A trigger, selectable from the following occurs while the TAiS bit in the TABSR
register is set to 1(count starts):
Set the TAiS bit in the TABSR register to 1
The value is written to the reload register (It is transferred to the counter at the
next reload timing).
The cycle is fixed to this value
The value is written to both the reload register and the counter.
if the re-trigger occurs while counting.
n: setting value of the TAi register (i = 0 to 4), 0000h to FFFEh
fj: count source frequency
m: setting value of low-order bit address of the TAi register, 00h to FFh
n: setting value of high-order bit address of the TAi register, 00h to FEh
The contents of the reload register are reloaded at the rising edge of the PWM
(The counter functions as the 8-bit or 16-bit pulse width modulator.)
pulse and the count continues. The count continues without reloading even
(1)
, fC32
16
8
- 1) x (m + 1) / fj
- 1) / fj
(2)
Specification
15. Timer A
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