![](http://datasheet.mmic.net.cn/330000/MB90540_datasheet_16437538/MB90540_4.png)
MB90540/540G/545/545G Series
4
I
PRODUCT LINEUP
(Continued)
Features
MB90F543/F549
MB90F543G (S) /F548G (S)
MB90F549G (S) /F546G (S)
MB90F548GL(S)
MB90543G (S) *
1
MB90547G (S) *
1
MB90548G (S)
MB90549G (S)
F
2
MC-16LX CPU
MB90V540/V540G
CPU
System clock
On-chip PLL clock multiplier (
×
1,
×
2,
×
3,
×
4, 1/2 when PLL stop)
Minimum instruction exection time : 62.5 ns (4 MHz osc. PLL
×
4)
Flash memory
MB90F543/F543G(S)/
F548G(S) / F548GL(S) :
128 K
MB90F549/F549G(S)/
F546G(S) : 256 K
MB90F548G(S)/F548GL(S):
4 Kbytes
MB90F543/F549/F543G (S) /
F549G(S) : 6 Kbytes
MB90F546G(S) : 8 Kbytes
MB90F543/F549/F543G/
F548G/F549G/F546G/F548GL
: Two clocks system
MB90F543GS/F548GS/
F549GS/F546GS/F548GLS
: One clock system
ROM
Mask ROM :
MB90547G(S): 64 K
MB90543G(S)/548G(S):
128 K
MB90549G(S): 256 K
External
RAM
MB90547G(S): 2 Kbytes
MB90548G(S): 4 Kbytes
MB90543G(S)/549G(S):
6 Kbytes
8 Kbytes
Clocks
MB90543G/547G/548G/
549G : Two clocks system
MB90543GS/547GS/
548GS/549GS
: One clock system
Two clocks system*
2
Operating voltage
range
*5
Temperature range
MB90F543/F549:
40
°
C to 85
°
C
Other than MB90F543/F549:
40
°
C to 105
°
C
QFP100, LQFP100
Package
Emulator-specify
power supply
*3
PGA-256
None
UART0
Full duplex double buffer
Support asynchronous/synchronous (with start/stop bit) transfer
Baud rate : 4808/5208/9615/10417/19230/38460/62500/500000 bps (asynchronous)
500 K/1 M/2 Mbps (synchronous) at System clock
=
16 MHz
Full duplex double buffer
Asynchronous (start-stop synchronized) and CLK-synchronous communication
Baud rate : 1202/2404/4808/9615/19230/31250/38460/62500 bps (asynchronous)
62.5 K/125 K/250 K/500 K/1 M/2 Mbps (synchronous) at 6, 8, 10, 12, 16 MHz
Transfer can be started from MSB or LSB
Supports internal clock synchronized transfer and external clock synchronized transfer
Supports positive-edge and nagative-edge clock synchronization
Baud rate : 31.25 K/62.5 K/125 K/500 K/1 Mbps at System clock
=
16 MHz
10-bit or 8-bit resolution
8 input channels
Conversion time : 26.3
μ
s (per one channel)
UART1
(SCI)
Serial I/O
A/D Converter