UPD70F3201YGC-YEU-A Renesas Electronics America, UPD70F3201YGC-YEU-A Datasheet - Page 213
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UPD70F3201YGC-YEU-A
Manufacturer Part Number
UPD70F3201YGC-YEU-A
Description
MCU 32BIT I2C 100TQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Sx2r
Datasheet
1.UPD70F3201YGC-YEU-A.pdf
(555 pages)
Specifications of UPD70F3201YGC-YEU-A
Core Processor
RISC
Core Size
32-Bit
Speed
20MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
68
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 2.7 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
External
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:
UPD70F3201YGC-YEU-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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6.5.2
(2) Prescaler compare register (PRSCM)
(1) Count clock of watch timer
(2) Interval timer
Cautions 1. Do not change the value of the PRSCM register during transmission/reception.
This is an 8-bit compare register.
It can be read or written in 8-bit or 1-bit units.
The clock (f
The relationship between the main clock oscillation frequency (f
BGCSn (m), the set value of the PRCSM register (N), and the output clock (f
Example: Where f
Remark
This timer generates a baud rate interrupt request (INTBRG) at preset time intervals.
The interval time can be set by using the BGCS1 and BGCS0 bits of the prescaler mode register (PRSM) and
the prescaler compare register (PRSCM).
The interval time can be calculated by the following expression.
Generation of clock
2. Set the PRSCM register before setting the CE bit of the PRSM register to 1.
3. Set the PRSM and PRSCM registers in accordance with the main clock frequency to be
PRSCM
used, so that the frequency of f
f
Interval time = f
f
N:
After reset:
BRG
BRG
BRG
: Count clock
) input to the watch timer can be corrected to 32.768 kHz or equivalent frequency.
= f
Value of compare register in prescaler 3 (1 to FFH)
N = 256 if the value of the compare register is “00H”.
X
X
/(2
PRSCM7
= 4.00 MHz, m = 0 (BGCS1 = BGCS = 0), N = 3DH, f
00H
m
× N × 2)
X
/(2
CHAPTER 6 CLOCK GENERATION FUNCTION
PRSCM6 PRSCM5 PRSCM4 PRSCM3 PRSCM2 PRSCM1 PRSCM0
R/W
m
× N)
Address:
User’s Manual U15905EJ2V1UD
BRG
FFFFF8B1H
is 32.768 kHz.
X
), the set value of input clock selection bit
BRG
BRG
= 32.768 kHz
) is as follows:
211
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