UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 147
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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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8.4.2
during timer operation is prohibited.
during timer operation is possible.
CMP01 register match after the timer count is started. TOH1 output becomes inactive when 8-bit timer counter H1
and the CMP11 register match.
(1) Usage
TMHMD1
In PWM output mode, a pulse with an arbitrary duty and arbitrary cycle can be output.
8-bit timer compare register 01 (CMP01) controls the cycle of timer output (TOH1). Rewriting the CMP01 register
8-bit timer compare register 11 (CMP11) controls the duty of timer output (TOH1). Rewriting the CMP11 register
The operation in PWM output mode is as follows.
TOH1 output becomes active and 8-bit timer counter H1 is cleared to 0 when 8-bit timer counter H1 and the
In PWM output mode, a pulse for which an arbitrary duty and arbitrary cycle can be set is output.
<1> Set each register.
<2> The count operation starts when TMHE1 = 1.
<3> The CMP01 register is the compare register that is to be compared first after count operation is enabled.
Operation as PWM output mode
(i) Setting timer H mode register 1 (TMHMD1)
(ii) Setting CMP01 register
(iii) Setting CMP11 register
When the values of 8-bit timer counter H1 and the CMP01 register match, 8-bit timer counter H1 is cleared,
an interrupt request signal (INTTMH1) is generated, and TOH1 output becomes active. At the same time,
the compare register to be compared with 8-bit timer counter H1 is changed from the CMP01 register to the
CMP11 register.
TMHE1
0
Remark 00H
Compare value (N): Cycle setting
Compare value (M): Duty setting
CKS12
0/1
CKS11
CMP11 (M) < CMP01 (N)
Figure 8-8. Register Setting in PWM Output Mode
0/1
CKS10
0/1
CHAPTER 8 8-BIT TIMER H1
User’s Manual U17446EJ5V0UD
TMMD11
1
TMMD10 TOLEV1
FFH
0
0/1
TOEN1
1
Timer output enabled
Timer output level inversion setting
PWM output mode selection
Count clock (f
Count operation stopped
CNT
) selection
145
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