UPD78F1146AGB-GAH-AX Renesas Electronics America, UPD78F1146AGB-GAH-AX Datasheet - Page 152

• Manufacturer Part Number: UPD78F1146AGB-GAH-AX
• Description: MCU 16BIT 78K0R/KX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Kx3r

Specifications of UPD78F1146AGB-GAH-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

150
f
f
f
f
f
f
f
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
SUB
(Value set by the
MDIV2 to MDIV0
Remark f
/2
The fastest instruction can be executed in 1 clock of the CPU clock in the 78K0R/KE3. Therefore, the relationship
between the CPU clock (f
CPU Clock
/2
/2
/2
/2
/2
2
3
4
5
bits)
Table 5-3. Relationship Between CPU Clock and Minimum Instruction Execution Time
f
MAIN
SUB
Cautions 1. Be sure to set bit 3 to 1.
: Subsystem clock frequency
: Main system clock frequency (f
At 10 MHz Operation At 20 MHz Operation
0.1
0.2
0.4
0.8
1.6
3.2
μ
μ
μ
μ
μ
μ
s
s
s
s
s
s
High-Speed System Clock
2. The clock set by CSS, MCM0, and MDIV2 to MDIV0 is supplied to the CPU and
3. If the peripheral hardware clock is used as the subsystem clock, the operations
CLK
peripheral hardware. If the CPU clock is changed, therefore, the clock supplied
to peripheral hardware (except the real-time counter, clock output/buzzer output,
and watchdog timer) is also changed at the same time. Consequently, stop each
peripheral function when changing the CPU/peripheral operating hardware clock.
of the A/D converter and IIC0 are not guaranteed.
characteristics of the peripheral hardware, refer to the chapters describing the
various
SPECIFICATIONS (STANDARD PRODUCTS) and CHAPTER 28
SPECIFICATIONS ((A) GRADE PRODUCTS).
) and the minimum instruction execution time is as shown in Table 5-3.
(MCM0 = 1)
−
0.05
0.1
0.2
0.4
0.8
1.6
peripheral
CHAPTER 5 CLOCK GENERATOR
μ
μ
μ
μ
μ
Main System Clock (CSS = 0)
μ
s
s
s
s
s
s
User’s Manual U17854EJ9V0UD
Minimum Instruction Execution Time: 1/f
IH
or f
hardware
MX
)
0.125
0.25
0.5
1.0
2.0
4.0
Internal High-Speed Oscillation Clock
μ
μ
μ
μ
μ
s (TYP.)
s (TYP.)
s (TYP.)
s (TYP.)
At 8 MHz (TYP.) Operation
μ
s (TYP.) (default)
s (TYP.)
as
(MCM0 = 0)
well
−
as
CHAPTER
CLK
At 32.768 kHz Operation
61
27
For the operating
μ
Subsystem Clock
s
(CSS = 1)
ELECTRICAL
ELECTRICAL
−
−
−
−
−
−