r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 152
r5f21346mnfp
Manufacturer Part Number
r5f21346mnfp
Description
Single-chip Mcus Incorporates The R8c Cpu Core
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F21346MNFP.pdf
(776 pages)
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Part Number:
r5f21346mnfp#V0
Manufacturer:
Renesas Electronics America
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R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
9.2.10
9.2.11
9.2.12
9.2.13
b7-b0 36.864 MHz frequency correction data is stored.
b7-b0 36.864 MHz frequency correction data is stored.
b7-b0 32 MHz frequency correction data is stored.
b7-b0 The frequency of the high-speed on-chip oscillator can be adjusted by setting as follows:
After Reset
After Reset
After Reset
After Reset
Bit
Bit
Bit
Bit
Address 0029h
Address 002Ah
Address 002Bh
Address 002Fh
Set the PRC0 bit in the PRCR register to 1 (write enabled) before rewriting the FRA3 register.
Also, rewrite the FRA3 register when the FRA00 bit in the FRA0 register is set 0 (high-speed on-chip oscillator
off).
Symbol
Symbol
Symbol
Symbol
The frequency can be adjusted by transferring this value to the FRA1 register and by
transferring the correction value in the FRA5 register to the FRA3 register.
The frequency can be adjusted by transferring this value to the FRA3 register and by
transferring the correction value in the FRA4 register to the FRA1 register.
The frequency can be adjusted by transferring this value to the FRA1 register and by
transferring the correction value in the FRA7 register to the FRA3 register.
40 MHz:
36.864 MHz: Transfer the value in the FRA4 register to the FRA1 register and the value in
32 MHz:
Bit
Bit
Bit
Bit
High-Speed On-Chip Oscillator Control Register 4 (FRA4)
High-Speed On-Chip Oscillator Control Register 5 (FRA5)
High-Speed On-Chip Oscillator Control Register 6 (FRA6)
High-Speed On-Chip Oscillator Control Register 3 (FRA3)
b7
b7
b7
b7
—
—
—
—
FRA1 = value after reset, FRA3 = value after reset
the FRA5 register to the FRA3 register.
Transfer the value in the FRA6 register to the FRA1 register and the value in
the FRA7 register to the FRA3 register.
b6
b6
b6
b6
—
—
—
—
b5
—
b5
—
b5
—
b5
—
When shipping
When shipping
When shipping
When shipping
Function
Function
Function
Function
b4
b4
b4
b4
—
—
—
—
b3
b3
b3
b3
—
—
—
—
b2
b2
b2
b2
—
—
—
—
b1
b1
b1
b1
—
—
—
—
9. Clock Generation Circuit
b0
b0
b0
b0
—
—
—
—
R/W
R/W
R/W
R/W
R/W
Page 120 of 740
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