R01UH0895EJ0100 Rev.1.00
1
Nov 29, 2019
RL78/G1P
RENESAS MCU
R01UH0895EJ0100
Rev.1.00
Nov 29, 2019
CHAPTER 1 OUTLINE
1.1 Features
Minimum instruction execution time can be changed from high speed (0.03125
s: @ 32 MHz operation with high-
speed on-chip oscillator) to low-speed (1
s: @ 1 MHz operation with high-speed on-chip oscillator)
General-purpose registers: 8 bits
32 registers (8 bits
8 registers
4 banks)
ROM: 16 KB, RAM: 1.5 KB, Data flash: 2 KB
High-speed on-chip oscillator
Select from 32 MHz (TYP.), 24 MHz (TYP.), 16 MHz (TYP.), 12 MHz (TYP.), 8 MHz (TYP.), 6 MHz (TYP.), 4 MHz
(TYP.), 3 MHz (TYP.), 2 MHz (TYP.), and 1 MHz (TYP.)
On-chip single-power supply flash memory (with prohibition of block erase/writing function)
Self-programming
On-chip debug function
On-chip power-on-reset (POR) circuit and voltage detector (LVD)
On-chip watchdog timer (operable with the dedicated low-speed on-chip oscillator)
On-chip clock output/buzzer output controller
On-chip BCD adjustment
I/O ports: 26 or 28 (N-ch open drain: 2)
Timer
16-bit timer TAU: 4 channels
Watchdog timer:
1 channel
Serial interface
CSI:
1 channel
UART: 1 channel
I
2
C
1 channel (2 slave addresses)
8/12-bit resolution A/D converter (V
DD
= 2.7 to 3.6 V): 6 or 8 channels
Standby function: HALT, STOP, SNOOZE mode
On-chip 10-bit D/A converter
DMA controller: 2 channels
On-chip event link controller (ELC)
Power supply voltage: V
DD
= 2.7 to 3.6 V
Operating ambient temperature: T
A
= -40 to +85
C (A: Consumer applications, D: Industrial applications)
Remark
The functions mounted depend on the product. See
1.6 Outline of Functions
.