R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 404
R5F21324CNSP#U0
Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet
1.R5F21321CDSPU0.pdf
(605 pages)
Specifications of R5F21324CNSP#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
15
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 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-LSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 375 of 573
24.3.4
Table 24.4
Notes:
SSUMS and BIDE: Bits in SSMR2 register
MSS: Bit in SSCRH register
TE and RE: Bits in SSER register
Clock synchronous
communication mode
4-wire bus
communication mode
4-wire bus
(bidirectional)
communication mode
Communication Mode
1. This pin can be used as a programmable I/O port.
2. Do not set both bits TE and RE to 1 in 4-wire bus (bidirectional) communication mode.
Synchronous serial communication unit switches the functions of the I/O pins in each communication mode
according to the setting of the MSS bit in the SSCRH register and bits RE and TE in the SSER register.
Table 24.4 lists the Association between Communication Modes and I/O Pins.
Communication Modes and Pin Functions
Association between Communication Modes and I/O Pins
(2)
0
1
1
SSUMS
Disabled 0
0
1
BIDE
Bit Setting
1
0
1
0
1
MSS
0
1
0
1
0
1
0
1
0
1
0
1
24. Synchronous Serial Communication Unit (SSU)
TE
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
0
RE
Input
−
Input
Input
−
Input
−
Output
Output
Input
−
Input
−
−
−
−
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
SSI
Pin State
Output
Output
−
Output
Output
−
Output
Input
−
Input
−
Output
Input
Output
Input
Output
SSO
(1)
(1)
(1)
(1)
Input
Input
Input
Output
Output
Output
Input
Input
Input
Output
Output
Output
Input
Input
Output
Output
SSCK
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