
2
MB90630A Series
(Continued)
High precision operations are enhanced by use of a 32-bit accumulator
Extended intelligent I/O service (access area extended to 64 KB)
Maximum memory space: 16 MB
Enhanced high level language (C) and multitasking support insturctions
Use of a system stack pointer
Enhanced pointer indirect instructions
Barrel shift instructions
Improved execution speed: Four byte instruction queue
Powerful interrupt function
Automatic data transfer function that does not use insturction (IIOS)
Internal peripherals
ROM:
32 Kbytes (MB90632A)
64 Kbytes (MB90634A)
One-time PROM: 64 Kbytes (MB90P634A)
RAM:
1 Kbytes (MB90632A)
2 Kbytes (MB90634A)
3 Kbytes (MB90P634A)
General-purpose ports: 82 ports max.
10-bit A/D converter (RC successive approximation): eight channels (10-bit resolution, conversion time =
5.2
s at 4 MHz with a × 4 multiplier)
8-bit D/A converter two channels (8-bit resolution)
UART (can also be used as a serial port) two channels
I/O expansion serial interface two channels
8/16-bit PPG (can be set to either 8-bit
× two channels or 16-bit × one channel) one channel
16-bit I/O timer one channel
(two channels input capture, four channels output compare, and one channel free-run timer)
Clock output generator
Timebase counter/watchdog timer (18-bit)
Low-power consumption modes
The device types are classified by the initial value of the oscillation stabilization delay time.
Oscillation stabilization delay time initial value = 2.05 ms: MB90630A series (MB90632A/634A/P634A)
Package: LQFP-100 (QFP-100 planned)
CMOS technology