UPD78F0138 NEC, UPD78F0138 Datasheet - Page 18

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

18
1.1 Features
Minimum instruction execution time can be changed from high speed (0.2
input clock) to ultra low-speed (122
General-purpose register: 8 bits × 32 registers (8 bits × 8 registers × 4 banks)
ROM, RAM capacities
Notes 1. The
On-chip power-on-clear (POC) circuit and low-voltage detector (LVI)
Short startup is possible via the CPU default start using the on-chip Ring-OSC
On-chip clock monitor function using on-chip Ring-OSC
On-chip watchdog timer (operable with Ring-OSC clock)
On-chip multiplier/divider
On-chip key interrupt function
On-chip clock output/buzzer output controller
On-chip regulator
I/O ports: 51 (N-ch open drain: 4)
Timer
µ
µ
Serial interface
µ
(UART (LIN (Local Interconnect Network)-bus supported): 1 channel, CSI/UART
µ
(UART(LIN (Local Interconnect Network)-bus supported: 1 channel, CSI/UART
Note Select either of the functions of these alternate-function pins.
Part Number
µ
µ
µ
µ
µ
µ
µ
µ
PD780131, 780132: 7 channels
PD780133, 780134, 78F0134, 780136, 780138, 78F0138: 8 channels
PD780131, 780132: 2 channels
PD780133, 780134, 78F0134, 780136, 780138, 78F0138: 3 channels
PD780131
PD780132
PD780133
PD780134
PD78F0134
PD780136
PD780138
PD78F0138
2. The internal flash memory, internal high-speed RAM capacities, and internal expansion RAM
capacities can be changed using the internal memory size switching register (IMS) and the internal
expansion RAM size switching register (IXS).
Note 1
µ
PD78F0134 does not support the
Item
Mask ROM
Flash memory
Mask ROM
Flash memory
µ
Program Memory
s: @ 32.768 kHz operation with subsystem clock)
CHAPTER 1 OUTLINE
User’s Manual U16228EJ2V0UD
(ROM)
8 KB
16 KB
24 KB
32 KB
32 KB
48 KB
60 KB
60 KB
µ
PD780136 and 780138.
Note 2
Note 2
Internal High-Speed RAM
512 bytes
1024 bytes
1024 bytes
1024 bytes
1024 bytes
Note 2
Note 2
µ
s: @ 10 MHz operation with X1
Note
Note
Data Memory
: 1 channel, CSI: 1 channel)
: 1 channel)
1024 bytes
1024 bytes
Internal Expansion RAM
Note 2
−