R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 305

• Manufacturer Part Number: R5F2121AJFP#U0
• Description: MCU FLASH 96K 5K CMOS 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/21r

Specifications of R5F2121AJFP#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: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 16.4
SS Mode Register
b7 b6 b5 b4
NOTE:
1.
Refer to 16.2.1.1 Association betw een Transfer Clock Polarity, Phase, and Data for the setting of the CPHS
and CPOS bits.
b3 b2 b1 b0
1
SSMR Register
Bit Symbol
Symbol
SSMR
CPOS
CPHS
Page 287 of 458
BC0
BC1
BC2
(b3)
(b4)
MLS
—
—
Bit counter 2 to 0
Reserved bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 1.
SSCK clock phase select bit
SSCK clock polarity select bit
MSB first/LSB first select bit
Address
Bit Name
00BAh
(1)
(1)
b2 b1 b0
0 0 0 : 8-bit left
0 0 1 : 1-bit left
0 1 0 : 2-bit left
0 1 1 : 3-bit left
1 0 0 : 4-bit left
1 0 1 : 5-bit left
1 1 0 : 6-bit left
1 1 1 : 7-bit left
Set to 1.
When read, its content is 1.
0 : Change data at odd edge
1 : Change data at even edge
0 : “H” w hen clock stops
1 : “L” w hen clock stops
0 : Transfers data at MSB first
1 : Transfers data at LSB first
(dow nloads data at even edge)
(dow nloads data at odd edge)
16. Clock Synchronous Serial Interface
After Reset
00011000b
Function
RW
RW
RW
RW
RW
RO
RO
RO
—