UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 14

• Manufacturer Part Number: UPD78F9222MC(T)-5A4-A
• Description: 8BIT MCU, 4K FLASH, 256B RAM, 78F9222
• Manufacturer: NEC

Specifications of UPD78F9222MC(T)-5A4-A

• Controller Family/series: UPD78
• No. Of I/o's: 17
• Ram Memory Size: 256Byte
• Cpu Speed: 10MHz
• No. Of Timers: 4
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

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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: 17 (CMOS I/O: 15, CMOS input: 1, CMOS output: 1)
O Timer: 4 channels
O Serial interface: UART (LIN (Local Interconnect Network) bus supported) 1 channel
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
O Assembler and C language supported
• 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
PD78F9221
PD78F9222
- Ceramic/crystal resonator:
- External clock:
- High-speed internal oscillator:
… 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
Item
2 KB
4 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
User’s Manual U16898EJ5V0UD
µ
s (with 10 MHz@4.0 to 5.5 V operation)
128 bytes
256 bytes
Memory (Internal High-Speed RAM)