R5F21184SP#U0 Renesas Electronics America, R5F21184SP#U0 Datasheet - Page 28

• Manufacturer Part Number: R5F21184SP#U0
• Description: IC R8C MCU FLASH 16K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/18r

Specifications of R5F21184SP#U0

• Core Size: 16-Bit
• Program Memory Size: 16KB (16K x 8)
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x1b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• No. Of I/o's: 13
• Ram Memory Size: 1KB
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Digital Ic Case Style: SSOP
• Supply Voltage Range: 2.7V To 5.5V
• Embedded Interface Type: UART
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Rev.2.00 Oct 17, 2005
REJ09B0001-0200
1.5 Register Banks
Chapter 1 Overview
The R8C/Tiny has two register banks, each comprising data registers (R0, R1, R2, and R3), address regis-
ters (A0 and A1), and a frame base register (FB). These two register banks are switched by the register
bank select flag (B flag) in the flag register (FLG).
Figure 1.5.1 shows the configuration of the register banks.
Figure 1.5.1 Configuration of Register Banks
Register bank 0 (B flag = 0)
R0
R1
R2
R3
A0
A1
FB
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b15
H
H
b8b7
L
L
b0
R0
R1
R2
R3
A0
A1
FB
Register bank 1 (B flag = 1)
b15
H
H
b8b7
1.5 Register Banks
L
L
b0