R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 415
R5F21334CNFP#U0
Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet
1.R5F21331CNFPU0.pdf
(622 pages)
Specifications of R5F21334CNFP#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
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K 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
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21334CNFP#U0R5F21334CNFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 385 of 589
Figure 24.3
24.3.2
• SSUMS = 0
• SSUMS = 1 (4-wire bus communication mode),
24.3.2.1
(clock synchronous communication mode)
BIDE = 0 (standard mode), and MSS = 0 (operates
as slave device)
The SSTRSR register is a shift register for transmitting and receiving serial data.
When transmit data is transferred from the SSTDR register to the SSTRSR register and the MLS bit in the
SSMR register is set to 0 (MSB-first), the bit 0 in the SSTDR register is transferred to bit 0 in the SSTRSR
register. When the MLS bit is set to 1 (LSB-first), bit 7 in the SSTDR register is transferred to bit 0 in the
SSTRSR register.
The connection between the data I/O pins and SSTRSR register (SS shift register) changes according to a
combination of the MSS bit in the SSCRH register and the SSUMS bit in the SSMR2 register. The connection
also changes according to the BIDE bit in the SSMR2 register.
Figure 24.3 shows the Association between Data I/O Pins and SSTRSR Register.
SSTRSR register
SSTRSR register
SS Shift Register (SSTRSR)
Association between Data I/O Pins and SS Shift Register
Association between Data I/O Pins and SSTRSR Register
SSO
SSI
SSO
SSI
• SSUMS = 1 (4-wire bus communication mode),
• SSUMS = 1 (4-wire bus communication mode) and
BIDE = 0 (standard mode), and MSS = 1 (operates as
master device)
BIDE = 1 (bidirectional mode)
24. Synchronous Serial Communication Unit (SSU)
SSTRSR register
SSTRSR register
SSO
SSI
SSO
SSI
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