Performance Overview - Renesas R8C Series User Manual

R8C/1A Group, R8C/1B Group
1.2

Performance Overview

Table 1.1 outlines the Functions and Specifications for R8C/1A Group and Table 1.2 outlines the
Functions and Specifications for R8C/1B Group.
Table 1.1 Functions and Specifications for R8C/1A Group
CPU Number of fundamental
instructions
Minimum instruction execution
time
Operating mode
Address space
Memory capacity
Peripheral Ports
Functions
LED drive ports
Timers
Serial interfaces
Clock synchronous serial interface 1 channel
A/D converter
Watchdog timer
Interrupts
Clock generation circuits
Oscillation stop detection function
Voltage detection circuit
Power-on reset circuit
Electric Supply voltage
Characteristics
Current consumption
Flash Memory Programming and erasure voltage VCC = 2.7 to 5.5 V
Programming and erasure
endurance
Operating Ambient Temperature
Package
NOTE:
2
1. I C bus is a trademark of Koninklijke Philips Electronics N. V.
2. Please contact Renesas Technology sales offices for the Y version.
Rev.1.30 Dec 08, 2006
REJ09B0252-0130
Item
Page 2 of 315
Specification
89 instructions
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)
Single-chip
1 Mbyte
See Table 1.3 Product Information for R8C/1A Group
I/O ports: 13 pins (including LED drive port)
Input port: 3 pins
I/O ports: 4 pins
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)
1 channel
Clock synchronous serial I/O, UART
1 channel
UART
2 (1)
I C bus Interface
Clock synchronous serial I/O with chip select (SSU)
10-bit A/D converter: 1 circuit, 4 channels
15 bits × 1 channel (with prescaler)
Reset start selectable, count source protection mode
Internal: 11 sources, External: 4 sources, Software: 4 sources,
Priority levels: 7 levels
2 circuits
• Main clock oscillation circuit (with on-chip feedback
resistor)
• On-chip oscillator (high speed, low speed)
High-speed on-chip oscillator has a frequency adjustment
function
Main clock oscillation stop detection function
On-chip
On-chip
VCC = 3.0 to 5.5 V (f(XIN) = 20 MHz)
VCC = 2.7 to 5.5 V (f(XIN) = 10 MHz)
Typ. 9 mA (VCC = 5.0 V, f(XIN) = 20 MHz, A/D converter stopped)
Typ. 5 mA (VCC = 3.0 V, f(XIN) = 10 MHz, A/D converter stopped)
Typ. 35 µA (VCC = 3.0 V, wait mode, peripheral clock off)
Typ. 0.7 µA (VCC = 3.0 V, stop mode)
100 times
-20 to 85°C
-40 to 85°C (D version)
(2)
-20 to 105°C (Y version)
20-pin molded-plastic LSSOP
20-pin molded-plastic SDIP
28-pin molded-plastic HWQFN
1. Overview