UPD78F9212CS-CAB-A Renesas Electronics America, UPD78F9212CS-CAB-A Datasheet - Page 105

• Manufacturer Part Number: UPD78F9212CS-CAB-A
• Description: MCU 8BIT 4KB FLASH 16PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9212CS-CAB-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 13
• Program Memory Size: 4KB (4K 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: -
• Connectivity: -

register 000 (CR000) is changed is smaller than that of 16-bit timer counter 00 (TM00), TM00 continues counting,
overflows and then restarts counting from 0. Thus, if the value (M) after the CR000 change is smaller than that (N)
before the change, it is necessary to restart the timer after changing CR000.
6.4.2
Remark Interval time = (N + 1)
When the compare register is changed during timer count operation, if the value after 16-bit timer capture/compare
Remark N > X > M
The basic operation setting procedure is as follows.
<1> Set the CRC00 register (see Figure 6-15 for the set value).
<2> Set the count clock by using the PRM00 register.
<3> Set any value to the CR000 register (0000H cannot be set).
<4> Set the TMC00 register to start the operation (see Figure 6-15 for the set value).
Remarks 1. For the setting of the TI000 pin, see 6.3 (5) Port mode register 2 (PM2) and port mode control
Setting
TM00 count value
Figure 6-14. Timing After Change of Compare Register During Timer Count Operation (N
TM00 count value
External event counter operation
Count clock
INTTM000
Count clock
2. For how to enable the INTTM000 interrupt, see CHAPTER 10 INTERRUPT FUNCTIONS.
N = 0001H to FFFFH (settable range)
CR000
CR000
register 2 (PMC2).
Timer operation enabled
0000H
X – 1
N
0001H
t
N
Figure 6-13. Timing of Interval Timer Operation
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
t
X
User’s Manual U16994EJ6V0UD
N
Clear
Interrupt request generated
0000H 0001H
N
FFFFH
M
N
0000H
Clear
Interrupt request generated
N
0000H 0001H
0001H
M: N > M )
0002H
N
N
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