UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 98
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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(4) Prescaler mode register 00 (PRM00)
This register is used to set the 16-bit timer counter 00 (TM00) count clock and the TI000, TI010 pin input valid
edges.
PRM00 is set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets the value of PRM00 to 00H.
Remarks 1. f
Note The external clock requires a pulse longer than two cycles of the internal count clock (f
Address: FF61H After reset: 00H R/W
Symbol
PRM00
2. ( ): f
XP
PRM001
ES110
ES110
ES010
: Oscillation frequency of clock supplied to peripheral hardware
7
0
0
1
1
0
0
1
1
0
0
1
1
XP
Figure 6-8. Format of Prescaler Mode Register 00 (PRM00)
= 10 MHz
PRM000
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
ES100
ES100
ES000
6
0
1
0
1
0
1
0
1
0
1
0
1
Falling edge
Rising edge
Setting prohibited
Both falling and rising edges
Falling edge
Rising edge
Setting prohibited
Both falling and rising edges
f
f
f
TI000 pin valid edge
XP
XP
XP
User’s Manual U16898EJ6V0UD
ES010
/2
/2
(10 MHz)
2
8
5
(2.5 MHz)
(39.06 kHz)
ES000
4
Note
TI010 pin valid edge selection
TI000 pin valid edge selection
Count clock selection
3
0
2
0
PRM001
1
XP
).
PRM000
0
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