M30803FGFP#U3 Renesas Electronics America, M30803FGFP#U3 Datasheet - Page 116
![MCU 3/5V 256K I-TEMP PB-FREE 100](/photos/12/21/122166/qfp100-g1_pkg_sml.jpg)
M30803FGFP#U3
Manufacturer Part Number
M30803FGFP#U3
Description
MCU 3/5V 256K I-TEMP PB-FREE 100
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/80r
Datasheet
1.M30803FGGPU3.pdf
(360 pages)
Specifications of M30803FGFP#U3
Core Processor
M16C/80
Core Size
16-Bit
Speed
20MHz
Connectivity
SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
20K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R
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E
1
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6
Table 13.4 Timer specifications in one-shot timer mode
Figure 13.10 Timer Ai mode register in one-shot timer mode
1 .
0
Count source
Count operation
Divide ratio
Count start condition
Count stop condition
Interrupt request generation timing The count reaches 0000
TAi
TAi
Read from timer
Write to timer
C
(3) One-shot timer mode
9
0 .
8 /
B
In this mode, the timer operates only once. (See Table 13.4) When a trigger occurs, the timer starts up and
continues operating for a given period. Figure 13.10 shows the timer Ai mode register in one-shot timer mode.
Timer Ai mode register
b7
0
IN
OUT
0
0
1
A
pin function
8
G
b6
u
7
o r
pin function
. g
0 -
b5
0
u
1
0
Item
p
0
, 2
b4
0
2
b3
0
0
5
b2
Page 103
b1
1 0
b0
Note 1: Valid only when the TA
Note 2: Set the corresponding port function select register to I/O port, and port direction
Bit symbol
f
• The timer counts down
• When the count reaches 0000
• If a trigger occurs when counting, the timer reloads a new count and restarts counting
1/n
• An external trigger is input
• The timer overflows
• The one-shot start flag is set (= 1)
• A new count is reloaded after the count has reached 0000
• The count start flag is reset (= 0)
Programmable I/O port or trigger input
Programmable I/O port or pulse output (Setting by the corresponding function
select registers A and B)
When timer Ai register is read, it indicates an indeterminate value
• When not counting
• When counting
TMOD0
TMOD1
1
TCK0
TCK1
new count
Value written to timer Ai register is written to both reload register and counter
Value written to timer Ai register is written to only reload register
(Transferred to counter at next reload time)
MR0
MR1
MR2
MR3
, f
f o
Symbol
TAiMR(i=0 to 4)
8
(addresses 0342
register to “0”.
, f
3
2
32
n : Set value
9
, f
This bit is invalid in M16C/80 series.
Port output control is set by the function select registers A and B.
External trigger select
bit (Note 1)
Count source select bit
Operation mode select bit
Trigger select bit
0 (Set to “0” in one-shot timer mode)
C32
Bit name
16
0356
and 0343
Address
16
iIN
to 035A
16
pin is selected by the event/trigger select bit
16
Specification
). If timer overflow is selected, this bit can be “1” or “0”.
16
16
1 0 : One-shot timer mode
0 : Falling edge of TAi
1 : Rising edge of TAi
0 : One-shot start flag is valid
1 : Selected by event/trigger select bit
0 0 : f
0 1 : f
1 0 : f
1 1 : f
b1 b0
b7 b6
When reset
00000X00
, the timer stops counting after reloading a
1
8
32
C32
2
Function
IN
IN
pin's input signal (Note 2)
pin's input signal (Note 2)
16
13. Timer A
R
– –
W
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