Datasheet

R01DS0011EJ0101 Rev.1.01 Page 7 of 102
Oct 28, 2011
R8C/LA3A Group, R8C/LA5A Group, R8C/LA6A Group, R8C/LA8A Group 1. Overview
Note:
1. Specify the D version if D version functions are to be used.
Table 1.8 Specifications (3)
Item Function Specification
LCD Drive Control
Circuit
R8C/LA3A
Group
Common output: Max. 4 pins
Segment output: Max. 11 pins
• Bias: 1/2, 1/3
• Duty: static, 1/2, 1/3, 1/4
R8C/LA5A
Group
Common output: Max. 4 pins
Segment output: Max. 27 pins
R8C/LA6A
Group
Common output: Max. 4 pins
Segment output: Max. 32 pins
R8C/LA8A
Group
Common output: Max. 4 pins
Segment output: Max. 40 pins
Flash Memory
• Programming and erasure voltage: VCC = 1.8 V to 5.5 V (data flash VCC = 1.8 V to
5.5 V)
• Programming and erasure endurance: 10,000 times (data flash)
10,000 times (program ROM)
• Program security: ROM code protect, ID code check
• On-chip debug function
• On-board flash rewrite function
Operating Frequency/
Supply Voltage
f(XIN) = 20 MHz (VCC = 2.7 V to 5.5 V)
f(XIN) = 8 MHz (VCC = 1.8 V to 5.5 V)
Current Consumption Typ. 4.7 mA (VCC = 5.0 V, f(XIN) = 20 MHz)
Typ. 2.3 mA (VCC = 3.0 V, f(XIN) = 10 MHz)
Typ. 1.7 µA (VCC = 3.0 V, wait mode (f(XCIN) = 32 kHz))
Typ. 0.5 µA (VCC = 3.0 V, stop mode)
Typ. 1.3 µA (VCC = 3.0 V, power-off 2 mode, timer RH enabled)
Typ. 0.01 µA (VCC = 3.0 V, power-off 0 mode, timer RH disabled)
Operating Ambient Temperature −20 to 85°C (N version)
−40 to 85°C (D version)
(1)