R5F212A8SNFP#U0 Renesas Electronics America, R5F212A8SNFP#U0 Datasheet - Page 116

• Manufacturer Part Number: R5F212A8SNFP#U0
• Description: IC R8C/2A MCU FLASH 64LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/2Ar

Specifications of R5F212A8SNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 55
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 64-LQFP
• For Use With: R0K5212D8S001BE - KIT STARTER FOR R8C/2DR0K5212D8S000BE - KIT DEV FOR R8C/2D
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/2A Group, R8C/2B Group
Rev.2.00
REJ09B0324-0200
Figure 10.1
Interrupt request
Power-on reset
Software reset
CM02, CM04, CM05, CM06, CM07: Bits in CM0 register
CM10, CM13, CM14, CM16, CM17: Bits in CM1 register
OCD0, OCD1, OCD2: Bits in OCD register
FRA00, FRA01: Bits in FRA0 register
RESET
CM05
Nov 26, 2007
Oscillation Stop Detection Circuit
CM10 = 1 (stop mode)
CM04
XIN
WAIT instruction
Clock Generation Circuit
XCIN
XIN clock
CM13
XCOUT
CM13
Page 94 of 580
XOUT
Pulse generation
circuit for clock
edge detection and
charge, discharge
control circuit
S Q
R
S Q
R
FRA00
CM14
Frequency adjustable
CM02
XIN clock
Forcible discharge when OCD0 = 0
Charge,
discharge circuit
a
on-chip oscillator
on-chip oscillator
FRA1 register
Oscillation
High-speed
Low-speed
detection
OCD1
b
stop
CM06 = 0
CM17 to CM16 = 00b
fC
FRA01 = 1
FRA01 = 0
1/2
System clock
OCD2 = 1
OCD2 = 0
fOCO-S
Divider
c
FRA2 register
CM06 = 0
CM17 to CM16 = 01b
Oscillation stop detection
interrupt generation
circuit detection
fOCO
1/2
On-chip oscillator
clock
a
1/4
b
Clock prescaler
Voltage monitor 1
Voltage monitor 2
d
CM06 = 0
CM17 to
CM16 = 10b
Watchdog timer
OCD2 bit switch signal
CM14 bit switch signal
c
Divider
fOCO-F
d
1/2
Power-on
reset circuit
interrupt
interrupt
interrupt
e
detection
Voltage
circuit
g
1/8
h
fC
CM07 = 0
CM07 = 1
e
(1/128)
Divider
CM06 = 1
1/2
10. Clock Generation Circuit
CM06 = 0
CM17 to CM16 = 11b
fC4
fC32
fOCO40M
fOCO128
fOCO
fOCO-F
fOCO-S
f1
f2
f4
f8
f32
CPU clock
Oscillation stop detection,
Watchdog timer,
Voltage monitor 1 interrupt,
Voltage monitor 2 interrupt
Detail of divider
1/2
h
g
Peripheral
function
clock