R5F61668RD50FPV Renesas Electronics America, R5F61668RD50FPV Datasheet - Page 1256

• Manufacturer Part Number: R5F61668RD50FPV
• Description: MCU 3V 1024K I-TEMP 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of R5F61668RD50FPV

• Core Processor: H8SX
• Core Size: 16/32-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 92
• Program Memory Size: 1MB (1M x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 56K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Section 27 Clock Pulse Generator
Table 27.1 Selection of Clock Pulse Generator
Rev. 2.00 Sep. 24, 2008 Page 1222 of 1468
REJ09B0412-0200
MD_CLK
0
1
XTAL
EXTAL
OSC1
OSC2
MD_CLK
Note: * Values in parentheses are setting values when MD_CLK = 1.
Main clock
Subclock
oscillator
oscillator
EXTAL Input
Clock Frequencies
8 MHz to 18 MHz
16 MHz
PLL circuit
generation
Waveform
Figure 27.1 Block Diagram of Clock Pulse Generator
circuit
Divider
EXTAL × 4 (2)*
Subclock
EXTAL × 4 (3)
Iφ/Pφ/Bφ
EXTAL ×4, ×2, ×1, ×1/2
EXTAL ×2, ×1, ×1/2
× 2 (1)
× 1 (1/2)
× 1/2 (setting prohibited)
cku
Selector
Selector
Selector
SUBCKCR
SUBCKCR
SUBCKCR
SCKCR
SCKCR
SCKCR
USB Clock (cku)
EXTAL ×4
EXTAL ×3
cks
ckm
ckb
ICK2 to ICK0
CK32K
PCK2 to PCK0
CK32K
BCK2 to BCK0
CK32K
USB clock (cku)
(to USB)
32K timer clock (SUBCK)
(to TM32K)
External bus clock (Bφ)
(to the Bφ and SDφ pins)
System clock (Iφ)
(to the CPU and
bus masters)
Peripheral module
clock (Pφ)
(to peripheral modules)