R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 76

• 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
Figure 7.11
Pull-Up Control Register 0
Pull-Up Control Register 1
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
NOTE:
1.
1.
When this bit is set to 1 (pulled up), the pin w hose direction bit is set to 0 (input mode) is pulled up.
When this bit is set to 1 (pulled up), the pin w hose direction bit is set to 0 (input mode) is pulled up.
Feb 29, 2008
b3 b2 b1 b0
b3 b2
0
0
Registers PUR0 and PUR1
b1
b0
Bit Symbol
Bit Symbol
(b3-b2)
(b7-b6)
Symbol
Symbol
PUR0
PU00
PU01
PU02
PU03
PU04
PU05
PU06
PU07
PUR1
PU10
PU11
PU14
PU15
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P0_0 to P0_3 pull-up
P0_4 to P0_7 pull-up
P1_0 to P1_3 pull-up
P1_4 to P1_7 pull-up
P2_0 to P2_3 pull-up
P2_4 to P2_7 pull-up
P3_0, P3_1, and P3_3 pll-up
P3_4 to P3_5, and P3_7 pll-up
P4_3 pull-up
P4_4 and P4_5 pull-up
Reserved bits
P6_0 to P6_3 pull-up
P6_4 to P6_7 pull-up
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
(1)
Address
Bit Name
Address
Bit Name
00FCh
00FDh
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
0 : Not pulled up
1 : Pulled up
Set to 0.
0 : Not pulled up
1 : Pulled up
XX00XX00b
After Reset
After Reset
Function
Function
00h
7. Programmable I/O Ports
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
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