R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 57
R5F21324ANSP#U1
Manufacturer Part Number
R5F21324ANSP#U1
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Ar
Datasheet
1.R5F21322ANSPU1.pdf
(629 pages)
Specifications of R5F21324ANSP#U1
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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Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 27 of 583
Table 5.2 shows the Pin Functions while RESET Pin Level is “L”, Figure 5.2 shows the CPU Register Status after
Reset, Figure 5.3 shows the Reset Sequence.
Figure 5.2
Figure 5.3
Table 5.2
Internal reset
signal
P1, P3_3 to P3_5, P3_7
P4_2, P4_5 to P4_7
CPU clock
Address
(internal address
signal)
RESET pin
fOCO-S
Notes:
1. Hardware reset.
2. When the “L” input width to the RESET pin is set to fOCO-S clock × 32 cycles or more, setting the RESET pin to “H” also sets the internal
reset signal to “H” at the same time.
Pin Name
CPU Register Status after Reset
Reset Sequence
Preliminary specification
Specifications in this manual are tentative and subject to change.
Pin Functions while RESET Pin Level is “L”
10 cycles or more are needed
b15
fOCO-S clock × 32 cycles
IPL
b19
Content of addresses 0FFFEh to 0FFFCh
Start time of flash memory
(CPU clock × 148 cycles)
Nov 05, 2008
b15
b15
b15
Input port
Input port
(1)
b8
(2)
00000h
U
b7
I
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
O
Pin Function
CPU clock × 28 cycles
B
S
Z
D
C
b0
b0
b0
b0
b0
0FFFCh
Interrupt table register (INTB)
Program counter (PC)
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)
0FFFDh
0FFFEh
Content of reset vector
5. Resets
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