UPD78E9860中文资料瑞萨数据手册PDF规格书

FEATURES

{ Pin compatible with mask ROM product (except VPP pin)

{ On-chip EEPROM as program memory: 4 KB

{ On-chip EEPROM that can be read/written by program in RAM area: 32 bytes

{ On-chip high-speed RAM: 256 bytes

{ System clock oscillator

• mPD78E9860: Crystal/ceramic oscillator

• mPD78E9861: RC oscillator (externally attached resistor and capacitor)

{ Minimum instruction execution time

• mPD78E9860: 0.4 ms/1.6 ms (@ fX = 5.0 MHz operation)

• mPD78E9861: 2.0 ms/8.0 ms (@ fCC = 1.0 MHz operation)

{ I/O ports: 14

{ Timer: 3 channels

• 8-bit timer/event counter: 1 channel

• 8-bit timer: 1 channel

• Watchdog timer: 1 channel

{ On-chip power-on-clear circuit

{ On-chip bit sequential buffer

{ Power supply voltage: VDD = 1.8 to 3.6 V