UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 277
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UPD78F0551MA-FAA-AX
Manufacturer Part Number
UPD78F0551MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0551MA-FAA-AX.pdf
(822 pages)
Specifications of UPD78F0551MA-FAA-AX
Core Processor
78K/0
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
9
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 277 of 822
- Download datasheet (6Mb)
78K0/Kx2-L
6.4.3 External event counter operation
with the valid edge of the TI000 pin) and bits 3 and 2 (TMC003 and TMC002) of 16-bit timer mode control register 00
(TMC00) are set to 11, the valid edge of an external event input is counted, and a match interrupt signal indicating
matching between TM00 and CR000 (INTTM000) is generated.
event counter in the clear & start mode entered by the TI000 pin valid edge input (when TMC003 and TMC002 = 10).
following timing.
not detected until it is detected two times in a row. Therefore, a noise with a short pulse width can be eliminated.
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
When bits 1 and 0 (PRM001 and PRM000) of the prescaler mode register 00 (PRM00) are set to 11 (for counting up
To input the external event, the TI000 pin is used. Therefore, the timer/event counter cannot be used as an external
The INTTM000 signal is generated with the following timing.
• Timing of generation of INTTM000 signal (second time or later)
However, the first match interrupt immediately after the timer/event counter has started operating is generated with the
• Timing of generation of INTTM000 signal (first time only)
To detect the valid edge, the signal input to the TI000 pin is sampled during the clock cycle of f
Remarks 1. For the setting of I/O pins, refer to 6.3 (6) Port mode register 0 (PM0).
TI000 pin
= Number of times of detection of valid edge of external event × (Set value of CR000 + 1)
= Number of times of detection of valid edge of external event input × (Set value of CR000 + 2)
2. For how to enable the INTTM000 signal interrupt, refer to CHAPTER 17 INTERRUPT FUNCTIONS.
detection
Edge
f
PRS
TMC003, TMC002
Operable bits
Figure 6-20. Block Diagram of External Event Counter Operation
16-bit counter (TM00)
CR000 register
Clear
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
Match signal
controller
INTTM000 signal
Output
TO00 output
PRS
. The valid edge is
TO00 pin
263
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