R5F21122FP#U0 Renesas Electronics America, R5F21122FP#U0 Datasheet - Page 74

• Manufacturer Part Number: R5F21122FP#U0
• Description: IC R8C MCU FLASH 8K 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/12r

Specifications of R5F21122FP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 32-LQFP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/12 Group
Rev.1.20
REJ09B0110-0120
Figure 12.8 Operation Example in Pulse Width Measurement Mode
Measurement pulse
n = high-level: the contents of TX register, low-level: the contents of PREX register
(CNTR0 pin input)
TXS bit in TXMR
register
Conditions: "H" level width of measurement pulse is measured. (R0EDG=1)
IR bit in INT1IC
register
Jan 27, 2006
IR bit in TXIC
register
FFFF
0000
“H”
“1”
“0”
“L”
16
“1”
“0”
16
“1”
“0”
n
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Set to "1" by program
Count start
Cleared to “0” when interrupt request is accepted, or cleared by program
Count stop
Cleared to “0” when interrupt request is accepted, or cleared by program
Underflow
Count stop
Count restart
12.1 Timer (Timer X)
Time