UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 137
UPD78F9234MC-5A4-A
Manufacturer Part Number
UPD78F9234MC-5A4-A
Description
MCU 8BIT 8KB FLASH 30PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9232MC-5A4-A.pdf
(419 pages)
Specifications of UPD78F9234MC-5A4-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Connectivity
LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F9234MC-5A4-A
Manufacturer:
MAXIM
Quantity:
1 001
Part Number:
UPD78F9234MC-5A4-A
Manufacturer:
NEC
Quantity:
20 000
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7.5
(1) Error when timer starts
(2) Setting of 8-bit compare register 80
(3) Note on setting STOP mode
Notes on 8-bit Timer 80
The time from starting the timer to generation of the match signal includes an error of up to 1.5 clocks. This is
because, if the timer is started while the count clock is high, the rising edge may be immediately detected and
the counter may be incremented (refer to Figure 7-6).
8-bit compare register 80 (CR80) can be set to 00H.
Before executing the STOP instruction, be sure to stop the timer operation (TCE80 = 0).
TM80 count value
Selected clock
Selected clock
Clear signal
Count pulse
TCE80
TCE80
Figure 7-6. Case Where Error of 1.5 Clocks (Max.) Occurs
00H
CHAPTER 7 8-BIT TIMER 80
User’s Manual U17446EJ5V0UD
Delay A
Delay B
If the timer is started when the selected clock is high
and if delay A > delay B, an error of up to 1.5 clocks occurs.
Count pulse
01H
Delay A
Delay B
02H
8-bit timer counter 80
(TM80)
03H
Clear signal
...
135
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