參數(shù)資料
型號(hào): R5F21387ANFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù): 45/56頁
文件大小: 469K
代理商: R5F21387ANFP
R8C/38A Group
1. Overview
REJ03B0274-0110 Rev.1.10 Sep 28, 2009
Page 5 of 54
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
1.3
Block Diagram
Figure 1.2
Block Diagram
D/A converter
(8 bits
× 2)
R8C CPU core
Memory
ROM (1)
RAM (2)
Multiplier
R0H
R0L
R1H
R2
R3
R1L
A0
A1
FB
SB
USP
ISP
INTB
PC
FLG
I/O ports
Notes:
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
System clock generation
circuit
XIN-XOUT
Low-speed on-chip oscillator
XCIN-XCOUT
Timers
Timer RA (8 bits
× 1)
Timer RB (8 bits
× 1)
Timer RC (16 bits
× 1)
Timer RD (16 bits
× 2)
Timer RE (8 bits
× 1)
Timer RF (16 bits
× 1)
Timer RG (16 bits
× 1)
UART or
clock synchronous serial I/O
(8 bits
× 3)
I2C bus or SSU
(8 bits
× 1)
Peripheral functions
Watchdog timer
(14 bits)
A/D converter
(10 bits
× 20 channels)
LIN module
Comparator B
Voltage detection circuit
Comparator A
DTC
Low-speed on-chip oscillator
for watchdog timer
5
1
Port P4
8
Port P3
8
Port P0
8
Port P1
8
Port P2
6
Port P9
8
Port P8
8
Port P7
8
Port P6
8
Port P5
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