參數(shù)資料
型號(hào)： R5F21191DSP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封裝： 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件頁(yè)數(shù)： 23/41頁(yè)
文件大小： 725K
代理商： R5F21191DSP
R8C/18 Group, R8C/19 Group
1. Overview
Rev.1.40
Apr 14, 2006
Page 3 of 38
REJ03B0124-0140
Table 1.2
Functions and Specifications for R8C/19 Group
Item
Specification
CPU
Number of fundamental
instructions
89 instructions
Minimum instruction
execution time
50 ns (f(XIN) = 20 MHz, VCC = 3.0 to 5.5 V)
100 ns (f(XIN) = 10 MHz, VCC = 2.7 to 5.5 V)
Operation mode
Single-chip
Address space
1 Mbyte
Memory capacity
Refer to Table 1.4 Product Information for R8C/19
Group
Peripheral
Functions
Ports
I/O ports: 13 pins (including LED drive port)
Input port: 3 pins
LED drive ports
I/O ports: 4 pins
Timers
Timer X: 8 bits × 1 channel, timer Z: 8 bits × 1 channel
(Each timer equipped with 8-bit prescaler)
Timer C: 16 bits × 1 channel
(Input capture and output compare circuits)
Serial interfaces
1 channel
Clock synchronous serial I/O, UART
1 channel
UART
Comparator
1-bit comparator: 1 circuit, 4 channels
Watchdog timer
15 bits × 1 channel (with prescaler)
Reset start selectable, count source protection mode
Interrupts
Internal: 10 sources, External: 4 sources, Software: 4
sources,
Priority levels: 7 levels
Clock generation circuits
2 circuits
Main clock generation circuit (with on-chip feedback
resistor)
On-chip oscillator (high speed, low speed)
High-speed on-chi p oscillator has frequency
adjustment function
Oscillation stop detection
function
Main clock oscillation stop detection function
Voltage detection circuit
On-chip
Power-on reset circuit
On-chip
Electric
Characteristics
Supply voltage
VCC = 3.0 to 5.5 V (f(XIN) = 20 MHz)
VCC = 2.7 to 5.5 V (f(XIN) = 10 MHz)
Current consumption
Typ. 9 mA (VCC = 5.0 V, f(XIN) = 20 MHz, comparator stopped)
Typ. 5 mA (VCC = 3.0 V, f(XIN) = 10MHz, comparator stopped)
Typ. 35
A (VCC = 3.0 V, wait mode, peripheral clock off)
Typ. 0.7
A (VCC = 3.0 V, stop mode)
Flash Memory
Programming and erasure voltage VCC = 2.7 to 5.5 V
Programming and erasure
endurance
10,000 times (data flash)
1,000 times (program ROM)
Operating Ambient Temperature
-20 to 85
°C
-40 to 85
°C (D version)
Package
20-pin molded-plastic LSSOP
20-pin molded-plastic SDIP
28-pin molded-plastic HWQFN
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參數(shù)描述
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