R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 79

• Manufacturer Part Number: R5F21294SNSP#U0
• Description: MCU 3/5V 16K+2K 20PIN-SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/29r

Specifications of R5F21294SNSP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
Figure 7.10
Figure 7.11
Pull-Up Control Register 0
Pull-Up Control Register 1
Port P1 Drive Capacity Control Register (For N, D Version Only)
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
NOTE:
b7 b6 b5 b4
NOTE:
1.
1.
1. Both “H” and “L” output are set to high drive capacity.
0
0 0
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.
Sep 26, 2008
0
b3 b2 b1
b3 b2
b3 b2 b1 b0
0
0
Registers PUR0 and PUR1
P1DRR Register
b1
0
b0
b0
0
0
Bit Symbol
Bit Symbol
Bit Symbol
P1DRR0
P1DRR1
P1DRR2
P1DRR3
P1DRR4
P1DRR5
P1DRR6
P1DRR7
(b1-b0)
(b5-b4)
(b5-b2)
(b7-b6)
Symbol
Symbol
Symbol
P1DRR
PUR0
PU02
PU03
PU06
PU07
PUR1
PU11
(b0)
Page 60 of 441
—
—
—
—
—
Reserved bits
P1_0 to P1_3 pull-up
P1_4 to P1_7 pull-up
Reserved bits
P3_3 pull-up
P3_4, P3_5, P3_7 pull-up
Reserved bit
P4_5 pull-up
Reserved bits
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
P1_0 drive capacity
P1_1 drive capacity
P1_2 drive capacity
P1_3 drive capacity
P1_4 drive capacity
P1_5 drive capacity
P1_6 drive capacity
P1_7 drive capacity
(1)
(1)
Address
Bit Name
Address
Bit Name
Address
Bit Name
00FEh
00FCh
00FDh
(1)
(1)
(1)
Set P1 output transistor drive capacity
0 : Low
1 : High
Set to 0. When read, the content is 0.
0 : Not pulled up
1 : Pulled up
Set to 0. When read, the content is 0.
0 : Not pulled up
1 : Pulled up
Set to 0. When read, the content is 0.
0 : Not pulled up
1 : Pulled up
Set to 0. When read, the content is 0.
(1)
After Reset
After Reset
After Reset
Function
Function
Function
00h
00h
00h
7. Programmable I/O Ports
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
—