R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 203

• Manufacturer Part Number: R5F21257SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21257SNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• For Use With: R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 14.33
Timer RD Start Register
Timer RD Mode Register
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
1.
Set the TRDSTR register using the MOV instruction (do not use the bit handling instruction). Refer to 14.3.12.1
TRDSTR Register of Notes on Tim er RD.
Feb 29, 2008
b3 b2
1 1
b3 b2
Registers TRDSTR and TRDMR in Input Capture Function
b1 b0
b1 b0
Bit Symbol
Bit Symbol
TSTART0
TSTART1
TRDSTR
(b7-b4)
Symbol
(b3-b1)
CSEL0
CSEL1
Symbol
TRDMR
SYNC
BFC0
BFD0
BFC1
BFD1
(1)
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TRD0 count start flag
TRD1 count start flag
TRD0 count operation select bit
TRD1 count operation select bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 1.
Timer RD synchronous bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 1.
TRDGRC0 register function select
bit
TRDGRD0 register function select
bit
TRDGRC1 register function select
bit
TRDGRD1 register function select
bit
Address
Bit Name
Address
Bit Name
0138h
0137h
0 : Registers TRD0 and TRD1
1 : Registers TRD0 and TRD1
0 : General register
1 : Buffer register of TRDGRA0 register
0 : General register
1 : Buffer register of TRDGRB0 register
0 : General register
1 : Buffer register of TRDGRA1 register
0 : General register
1 : Buffer register of TRDGRB1 register
0 : Count stops
1 : Count starts
0 : Count stops
1 : Count starts
Set to 1 in the input capture function.
Set to 1 in the input capture function.
operate independently
operate synchronously
After Reset
00001110b
After Reset
11111100b
Function
Function
14. Timers
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
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