R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 40
R5F2121AJFP#U0
Manufacturer Part Number
R5F2121AJFP#U0
Description
MCU FLASH 96K 5K CMOS 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/21r
Datasheet
1.R5F21216JFP.pdf
(503 pages)
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
-
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R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Table 5.2 lists the Pin Functions after Reset, Figure 5.2 shows CPU Register Status after Reset, Figure 5.3 shows
Reset Sequence, and Figure 5.4 shows the OFS Register.
Figure 5.2
Table 5.2
P0, P1, P2
P3_0, P3_1, P3_3 to P3_5, P3_7 Input port
P4_2 to P4_7
P6
Pin Name
b15
CPU Register Status after Reset
Pin Functions after Reset
IPL
b19
Content of addresses 0FFFEh to 0FFFCh
Page 22 of 458
b15
b15
b15
b8
Input port
Input port
Input port
00000h
U
b7
I
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
O
Pin Functions
B
S
Z
D
C
b0
b0
b0
b0
b0
User stack pointer (USP)
Interrupt stack pointer (ISP)
Static base register (SB)
Flag register (FLG)
Data register (R0)
Data register (R1)
Data register (R2)
Data register (R3)
Address register (A0)
Address register (A1)
Frame base register (FB)
Interrupt table register (INTB)
Program counter (PC)
5. Resets
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