UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 16

• Manufacturer Part Number: UPD78F9234MC-5A4-A
• Description: MCU 8BIT 8KB FLASH 30PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9234MC-5A4-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

1.1 Features
14
O 78K0S CPU core
O ROM and RAM capacities
O Minimum instruction execution time: 0.2
O Clock
O I/O ports: 26 (CMOS I/O: 24, CMOS input: 1, CMOS output: 1)
O Timer: 4 channels
O Serial interface: UART (LIN (Local Interconnect Network) bus supported) 1 channel
O On-chip multiplier: 8 bits × 8 bits = 16 bits
O 10-bit resolution A/D converter: 4 channels
O On-chip power-on-clear (POC) circuit (A reset is automatically generated when the voltage drops to 2.1 V (TYP.)
O On-chip low voltage detector (LVI) circuit (An interrupt/reset (selectable) is generated when the detection voltage
O Single-power-supply flash memory
O Safety function
• High-speed system clock … Selected from the following three sources
• Low-speed internal oscillator 240 kHz (TYP.) … Watchdog timer, timer clock in intermittent operation
• 16-bit timer/event counter:
• 8-bit timer:
• Watchdog timer:
or below.)
is reached.)
• Detection voltage: Selectable from ten levels between 2.35 and 4.3 V
• Flash self programming enabled
• Software protection function: Protected from outside party copying (no flash reading command)
• Time required for writing by dedicated flash memory programmer: Approximately 3 seconds (4 KB)
• Watchdog timer operated by clock independent from CPU
• Supply voltage drop detectable by LVI
• Equipped with option byte function
Part number
μ
μ
∗ Flash programming on mass production lines supported
PD78F9232
PD78F9234
… A hang-up can be detected even if the system clock stops
… Appropriate processing can be executed before the supply voltage drops below the operation voltage
… Important system operation settings set in hardware
- Ceramic/crystal resonator:
- External clock:
- High-speed internal oscillator:
Item
4 KB
8 KB
1 channel … Timer output × 1, capture input × 2
2 channels … PWM output × 1
1 channel … Operable with low-speed internal oscillation clock
Program Memory (Flash Memory)
2 to 10 MHz (Standard product, (A) grade product)
2 to 8 MHz ((A2) grade product)
2 to 10 MHz (Standard product, (A) grade product)
2 to 8 MHz ((A2) grade product)
8 MHz ±3% (−10 to +80°C),
8 MHz ±5% (Standard product, (A) grade product: −40 to +85°C,
(A2) grade product: −40 to +125°C)
CHAPTER 1 OVERVIEW
μ
User’s Manual U17446EJ5V0UD
s (with 10 MHz@4.0 to 5.5 V operation)
256 bytes
Memory (Internal High-Speed RAM)