R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 87

• Manufacturer Part Number: R5F21257SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21257SNFP#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 ~ 85°C
• Package / Case: 52-LQFP
• For Use With: R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Table 7.38
X: 0 or 1
Table 7.39
X: 0 or 1
Table 7.40
X: 0 or 1
NOTE:
Table 7.41
NOTE:
Table 7.42
NOTE:
Table 7.43
NOTE:
Register
Register
Register
Register
Register
Register
Setting
Setting
Setting
Setting
Setting
Setting
Value
Value
Value
Value
Value
Value
1. Pulled up by setting the PU14 bit in the PUR1 register to 1.
1. Pulled up by setting the PU14 bit in the PUR1 register to 1.
1. Pulled up by setting the PU14 bit in the PUR1 register to 1.
1. Pulled up by setting the PU14 bit in the PUR1 register to 1.
Bit
Bit
Bit
Bit
Bit
Bit
Feb 29, 2008
CM13
CM13
Port P4_6/XIN
Port P4_7/XOUT
Port P6_0/TREO
Port P6_1
Port P6_2
Port P6_3
PD6_0
0
1
1
1
1
0
1
1
1
1
PD6
X
0
1
CM1
CM1
PD6_1
PD6_2
PD6_3
PD6
PD6
PD6
Page 68 of 485
0
1
0
1
0
1
CM10
CM10
X
X
0
0
1
1
0
0
1
1
TRECR1
TOENA
0
0
1
CM05
CM05
CM0
CM0
X
X
Input port
Output port
Input port
Output port
Input port
Output port
0
1
0
1
0
1
0
1
Input port
Output port
TREO output
(1)
(1)
(1)
Oscillation
Oscillation
(1)
buffer
buffer
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Circuit specifications
Circuit specifications
ON
ON
Feedback
Feedback
resistor
resistor
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
Function
Function
Function
Function
Input port
XIN-XOUT oscillation
External XIN input
XIN-XOUT oscillation stop
XIN-XOUT oscillation stop
Input port
XIN-XOUT oscillation
XOUT is “H” pull-up
XIN-XOUT oscillation stop
XIN-XOUT oscillation stop
7. Programmable I/O Ports
Function
Function