R5F21257SYFP#U0 Renesas Electronics America, R5F21257SYFP#U0 Datasheet - Page 28
![MCU 2KB FLASH 48K 52-LQFP](/photos/28/61/286101/52-lqfp_sml.jpg)
R5F21257SYFP#U0
Manufacturer Part Number
R5F21257SYFP#U0
Description
MCU 2KB FLASH 48K 52-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Specifications of R5F21257SYFP#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
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 105°C
Package / Case
52-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
1.5
Figure 1.4
Pin assignments (top view)
Figure 1.4 shows PLQP0052JA-A Package Pin Assignments (Top View). Figure 1.5 shows PTLG0064JA-A
Package Pin Assignments.
P6_0/TREO
P4_2/VREF
P3_7/SSO
P0_6/AN1
P0_5/AN2
P0_4/AN3
P0_3/AN4
P0_2/AN5
P0_1/AN6
P0_0/AN7
NOTES:
1. P4_7 is an input-only port.
2. Can be assigned to the pin in parentheses by a program.
Pin Assignments
Feb 29, 2008
P6_2
P6_1
NC: Non-Connection
NC
PLQP0052JA-A Package Pin Assignments (Top View)
40
41
42
43
44
45
46
47
48
49
50
51
52
Page 9 of 485
R8C/24 Group
R8C/25 Group
Package: PLQP0052JA-A(52P6A-A)
0.65 mm pin pitch, 10 mm square body
26
25
24
23
22
21
20
19
18
17
16
15
14
NC
P1_3/KI3/AN11
P1_4/TXD0
P1_5/RXD0/(TRAIO)/(INT1)
P1_6/CLK0
P1_7/TRAIO/INT1
P2_0/TRDIOA0/TRDCLK
P2_1/TRDIOB0
P2_2/TRDIOC0
P2_3/TRDIOD0
P2_4/TRDIOA1
P2_5/TRDIOB1
P2_6/TRDIOC1
1. Overview
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