UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 348
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: 348 of 822
- Download datasheet (6Mb)
78K0/Kx2-L
7.5 Cautions for 8-Bit Timer/Event Counters 50 and 51
(1) Timer start error
(2) Reading of 8-bit timer counter 5n (TM5n)
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
Remark 78K0/KY2-L, 78K0/KA2-L: n = 1
An error of up to one clock may occur in the time required for a match signal to be generated after timer start. This is
because 8-bit timer counters 50 and 51 (TM50, TM51) are started asynchronously to the count clock.
TM5n can be read without stopping the actual counter, because the count values captured to the buffer are fixed
when it is read. The buffer, however, may not be updated when it is read immediately before the counter counts up,
because the buffer is updated at the timing the counter counts up.
TM5n count value
Read signal
Count clock
Read buffer
78K0/KB2-L, 78K0/KC2-L: n = 0, 1
TM5n count value
Count clock
Figure 7-20. 8-Bit Timer Counter 5n (TM5n) Start Timing
Figure 7-21. 8-bit Timer Counter 5n (TM5n) Read Timing
34H
34H
35H
00H
Timer start
CHAPTER 7 8-BIT TIMER/EVENT COUNTERS 50 AND 51
35H
36H
01H
37H
37H
02H
38H
03H
38H
39H
04H
3AH
3BH
3BH
334
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