R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 537
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/34C Group
REJ09B0586-0100 Rev.1.00 Jan 13, 2010
Page 504 of 723
25.2
25.2.1
Notes:
25.2.2
After Reset
1. When the MSTIIC bit is set to 1 (standby), any access to the SSU or the I
2. When the MSTTRD bit is set to 1 (standby), any access to the timer RD associated registers (addresses 0135h
3. To set the MSTTRD bit to 1 (standby), set bits TCK2 to TCK0 in the TRDCRi (i = 0 or 1) register to 000b (f1).
4. When the MSTTRC bit is set to 1 (standby), any access to the timer RC associated registers (addresses 0120h
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0008h
Address 018Ch
0193h to 019Dh) is disabled.
to 015Fh) is disabled.
to 0133h) is disabled.
Symbol
Symbol
Registers
MSTTRD Timer RD standby bit
MSTTRC Timer RC standby bit
Symbol
MSTIIC SSU, I
Symbol
IICSEL
Bit
Bit
Module Standby Control Register (MSTCR)
SSU/IIC Pin Select Register (SSUIICSR)
—
—
—
—
—
—
—
—
—
—
—
—
b7
b7
—
—
0
0
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
SSU/I
Reserved bit
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Reserved bits
2
2
C bus standby bit
C bus switch bit
b6
b6
—
—
0
0
Bit Name
Bit Name
MSTTRC MSTTRD MSTIIC
b5
b5
—
0
0
b4
b4
—
0
0
0: Active
1: Standby
0: Active
1: Standby
0: Active
1: Standby
0: SSU function selected
1: I
Set to 0.
Set to 0.
b3
b3
—
0
0
2
25. Synchronous Serial Communication Unit (SSU)
C bus function selected
(1)
(2, 3)
(4)
b2
b2
—
—
0
0
2
C bus associated registers (addresses
Function
Function
b1
—
b1
—
0
0
IICSEL
b0
b0
—
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
—
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