R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 430
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 400 of 589
Figure 24.12
RDRF bit in
SSSR register
RSSTP bit in
SSCRH register
RDRF bit in
SSSR register
RSSTP bit in
SSCRH register
• CPHS bit = 0 (data download at even edges), CPOS bit = 0 (“H” when clock stops), and BS3
• CPHS bit = 1 (data download at odd edges), CPOS bit = 0 (“H” when clock stops), and BS3 to
Processing
by program
Processing
by program
to BS0 = 1000b (8 bits)
BS0 = 1000b (8 bits)
(output)
(output)
SSCK
SSCK
SCS
SCS
SSI
SSI
BS0 to BS3: Bits in SSBR register
CPHS and CPOS: Bits in SSMR register
Example of Synchronous Serial Communication Unit Operation during Data
Reception (4-Wire Bus Communication Mode, 8-Bit SSU Data Transfer Length)
Dummy read in
SSRDR register
Dummy read in
SSRDR register
b7
b7
1 frame
RXI interrupt request
is generated
RXI interrupt request
is generated
1 frame
b0
Data read in SSRDR
register
Data read in SSRDR
register
b0
b7
b7
1 frame
24. Synchronous Serial Communication Unit (SSU)
RXI interrupt request
is generated
RXI interrupt request
is generated
1 frame
b0
b0
Set RSSTP
bit to 1
Set RSSTP
bit to 1
b7
b7
Data read in SSRDR
register
Data read in SSRDR
register
RXI interrupt request
is generated
RXI interrupt request
is generated
High-impedance
b0
High-impedance
b0
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