UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 144
UPD78F9221CS-CAC-A
Manufacturer Part Number
UPD78F9221CS-CAC-A
Description
MCU 8BIT 2KB FLASH 20PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9221MC-5A4-A.pdf
(418 pages)
Specifications of UPD78F9221CS-CAC-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Connectivity
LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
128 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
-
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(2) Timing chart
142
8-bit timer counter H1
<1> The count operation is enabled by setting the TMHE1 bit to 1. The count clock starts counting no more than
<2> When the values of 8-bit timer counter H1 and the CMP01 register match, the value of 8-bit timer counter H1
<3> The INTTMH1 signal and TOH1 output become inactive by clearing the TMHE1 bit to 0 during timer H1
Remark 01H
The timing of the interval timer/square-wave output operation is shown below.
Count clock
1 clock after the operation is enabled.
is cleared, the TOH1 output level is inverted, and the INTTMH1 signal is output.
operation. If these are inactive from the first, the level is retained.
INTTMH1
TMHE1
CMP01
TOH1
Figure 8-7. Timing of Interval Timer/Square-Wave Output Operation (1/2)
N
<1>
00H
FEH
Count start
01H
(a) Basic operation (01H
CHAPTER 8 8-BIT TIMER H1
User’s Manual U16898EJ6V0UD
match interrupt occurrence,
8-bit timer counter H1 clear
Level inversion,
N
N
<2>
Clear
00H
CMP01
01H
Interval time
FEH)
match interrupt occurrence,
8-bit timer counter H1 clear
Level inversion,
N
<2>
Clear
00H
01H 00H
<3>
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