R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 478

• 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: -

Rev.
0.20
REVISION HISTORY
Jun 28, 2006
Date
29 to 62 “6. Programmable I/O Ports” → “6. Voltage Detection Circuit” and
Page
12
13
14
15
24
25
26
27
28
32
33
2.8.7 Interrupt Enable Flag (I)
2.8.8 Stack Pointer Select Flag (U)
2.8.10 Reserved Bit
Figure 3.1 Memory Map of R8C/20 Group;
Figure 3.2 Memory Map of R8C/21 Group;
Table 4.1 SFR Information (1);
Figure 5.4 OFS Register, Function of the LVD1ON bit;
5.1.1 When Power Supply is Stable (2) revised.
5.1.2 Power On (4) revised.
Figure 5.5 Example of Hardware Reset Circuit and Operation and Figure
5.6 Example of Hardware Reset Circuit (Usage Example of External
Supply Voltage Detection Circuit) and Operation revised.
5.2 Power-On Reset Function, on the 2nd line;
5.3 Voltage Monitor 1 Reset(1); on the 8th line;
“7. Voltage Detection Circuit” → “7. Programmable I/O Ports” revised.
Figure 6.4 Registers VCA1 and VCA2;
Figure 6.5 VW1C Register revised.
Figure 5.7 Example of Power-On Reset Circuit and Operation revised.
R8C/20 Group, R8C/21 Group Hardware Manual
“2.8.7 Interrupt Enable Flag (I Flag)” → “2.8.7 Interrupt Enable Flag (I)”
revised.
“2.8.8 Stack Pointer Select Flag (U Flag)” → “2.8.8 Stack Pointer
Select Flag (U)” revised.
“2.8.10 Reserved Area” → “2.8.10 Reserved Bit” revised.
“Internal ROM” → “Internal ROM (program ROM)” revised
Address “1ZZZZh” added.
NOTE revised.
Part Number revised.
“Internal ROM” → “Internal ROM (program ROM)” revised.
“Data area” → “Data flash”
“program area” → “program ROM” revised
Address “1ZZZZh” added.
NOTE2 added.
Part Number revised.
001Ch:
0024h:
NOTES revised.
“~ after Hardware reset” → “~ after reset” revised.
NOTES revised.
“When a capacitor is ~ or more.” added.
NOTES revised.
The LVD1ON bit in the OFS register can select to~ “after a reset”
added.
VCA2 register revised.
00h → 00h, 1000000b
TBD → Value when shipping
C - 2
Description
Summary