R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 148
![IC R8C MCU FLASH 4K 20SSOP](/photos/12/35/123585/r5f211b1sp_u0_sml.jpg)
R5F211B1SP#U0
Manufacturer Part Number
R5F211B1SP#U0
Description
IC R8C MCU FLASH 4K 20SSOP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/1Br
Datasheets
1.R5F211A2SPU0.pdf
(51 pages)
2.R5F211A2SPU0.pdf
(300 pages)
3.R5F211A2SPU0.pdf
(341 pages)
Specifications of R5F211B1SP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
13
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-SSOP
For Use With
R0K5211B4S001BE - KIT STARTER FOR R8C/18191A1BR0K5211B4S000BE - KIT DEV EVALUATION R8C/1BR0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
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R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
14.2.2
Table 14.8
NOTES:
Count sources
Count operations
Width and period of
output waveform
Count start condition
Count stop condition
Interrupt request
generation timing
TZOUT pin function
INT0 pin function
Read from timer
Write to timer
Select functions
1. Even when counting the secondary period, the TZPR register may be read.
2. The value set in registers TZPR and TZSC are made effective by writing a value to the TZPR
3. The TZOCNT bit is enabled by the following.
In programmable waveform generation mode, the signal output from the TZOUT pin is inverted each time the
counter underflows, while the values in registers TZPR and TZSC are counted alternately (refer to Table 14.8
Programmable Waveform Generation Mode Specifications). Counting starts by counting the value set in the
TZPR register. Figure 14.17 shows Registers TZMR and PUM in Programmable Waveform Generation Mode.
Figure 14.18 shows an Operating Example of Timer Z in Programmable Waveform Generation Mode.
register. The set values are reflected in the waveform output beginning with the following primary
period after writing to the TZPR register.
• When counting starts.
• When a timer Z interrupt request is generated. The contents after the TZOCNT bit is changed are
Dec 08, 2006
reflected from the output of the following primary period.
Item
Programmable Waveform Generation Mode
Programmable Waveform Generation Mode Specifications
f1, f2, f8, timer X underflow
• Decrement
• When the timer underflows, it reloads the contents of the primary reload and
Primary period: (n+1)(m+1)/fi
Secondary period: (n+1)(p+1)/fi
Period: (n+1){(m+1)+(p+1)}/fi
fi: Count source frequency
n: Value set in PREZ register, m: value set in TZPR register, p: value set in TZSC
register
1 (count starts) is written to the TZS bit in the TZMR register.
0 (count stops) is written to the TZS bit in the TZMR register.
In half a cycle of the count source, after timer Z underflows during the secondary
period (at the same time as the TZout output change) [timer Z interrupt].
Pulse output
(To use this pin as a programmable I/O port, select timer mode.)
Programmable I/O port, or INT0 interrupt input
The count value can be read out by reading registers TZPR and PREZ
The value written to registers TZSC, PREZ, and TZPR is written to the reload
register only
• Output level latch select function
• Programmable waveform generation output switch function
Page 130 of 315
secondary reload registers alternately before the count is continued.
The TZOPL bit can select the output level during primary and secondary
periods.
When the TZOCNT bit in the TZOC register is set to 0, the output from the
TZOUT pin is inverted synchronously when timer Z underflows. When set to 1,
the value in the P1_3 bit is output from the TZOUT pin
(2)
Specification
(3)
.
(1)
14. Timers
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