Differences Between H8S/2194C Series And H8S/2194 Series - Renesas Hitachi H8S/2194 Series Hardware Manual

1.4

Differences between H8S/2194C Series and H8S/2194 Series

Though the H8S/2194C series is compatible with the H8S/2194 series and their supporting
modules are almost identical, there are some differences between them as shown below. For
details, see the following sections.
Table 1.3 Differences between H8S/2194C series and H8S/2194 series
H8S/2194C Series
ROM H8S/2194C: 256 kbytes
H8S/2194B: 192 kbytes
H8S/2194A: 160 kbytes
RAM H8S/2194C: 6 kbytes
H8S/2194B: 6 kbytes
H8S/2194A: 6 kbytes
Timer J Five operating modes: TMJ-2 input
clock sources: PSS=φ/16384, φ/2048,
or φ/1024; underflow of TMJ-1,
external clock (IRQ2)
Servo circuit In the reference signal generator, the
servo circuit selects whether
reference signals are generated with
VD when it is in PB mode, or in free-
run
Flash ROM 256 kbytes
When the flash ROM control flag is
set, use the E (erase) bit and the P
(program) bit in flash memory control
register 1 (FMLCR1).
Rev. 2.0, 11/00, page 14 of 1037
H8S/2194 Series
H8S/2194: 128 kbytes
H8S/2193: 112 kbytes
H8S/2192: 96 kbytes
H8S/2191: 80 kbytes
H8S/2194: 3 kbytes
H8S/2193: 3 kbytes
H8S/2192: 3 kbytes
H8S/2191: 3 kbytes
Four operating modes: TMJ-2 input
clock sources: PSS=φ/16384 or
φ/2048; underflow of TMJ-1, external
clock (IRQ2)
In the reference signal generator,
when the servo circuit is in PB mode,
reference signals are generated in
free-run
128 kbytes
When the flash ROM control flag is
set, use the E (erase) bit and the P
(program) bit in flash memory control
register 2 (FMLCR2).