![](http://datasheet.mmic.net.cn/330000/MB89538HP_datasheet_16436949/MB89538HP_4.png)
MB89530H Series
4
(Continued)
*1 : Depends on operating frequency.
*2 : Using external ROM and MBM27C512.
*3 : t
inst
represents instruction execution time. This can be selected as 1/4, 1/8, 1/16, 1/64 of the main clock cycle
or 1/2 of the sub clock cycle.
Note : MB89537H/538H have no built-in I
2
C functions.
To use I
2
C functions, choose the MB89PV530/MB89P538/537HC/538HC.
Part number
Parameter
MB89537H/537HC
MB89538H/538HC
MB89P538
MB89PV530
P
Pulse width count
timer
8-bit one-shot timer operation
(supports underflow output, operating clock period : 1, 4, 32 t
inst
*
3
, external)
8-bit reload timer operation
(supports square wave output, operating clock period : 1, 4, 32 t
inst
*
3
, external)
8-bit pulse width measurement operation
(continuous measurement, H width measurement, L width measurement,
↑
to
↑
,
↓
to
↓
,
H width measurement and
↑
to
↑
)
16-bit timer operation (operating clock period : 1 t
inst
*
3
, external)
16-bit event counter operation (select rising, falling, or both edges)
16-bit
×
1 ch
8 bit length
Selection of LSB first or MSB first
Transfer clock (2, 8, 32 t
inst
*
3
, external)
CLK synchronous/CLK asynchronous data transfer capability (8, 9 bit with parity bit, or 7,8
bit without parity bit) .
Built-in baud rate generator provides selection of 14 baud rate settings.
CLK synchronous/CLK asynchronous data transfer capability (4, 6, 7, 8 bit with parity bit,
or 5, 7, 8, 9 bit without parity bit) .
Built-in baud rate generator provides selection of 14 baud rate settings.
External clock input, 2-channel 8-bit PWM timer output also available for baud rate
settings.
4-channel independent.
Selection of rising, falling, or both edge detection.
Can be used for recovery from standby mode (edge detection also available in stop mode)
External interrupt 28-channel independent L level detection.
Can be used for recovery from standby mode.
6-bit PPG,
12-bit PPG
6-bit
×
1 channel or 12-bit
×
2 channels.
1-channel , compatible with Intel System Administrator bus version 1.0 and Philips I
2
C
specifications.
2-line communications (on MB89PV530/P538/537HC/538HC)
10-bit resolution
×
8 channels.
A/D conversion functions (conversion time : 60 t
inst
*
3
)
Supports repeated calls from external clock or internal clock.
Standard voltage input provided (AVR)
Standby modes
(power saving modes)Sleep mode, stop mode, sub clock mode, clock mode.
Process
CMOS
16-bit timer/
counter
Serial I/O
UART/SIO
UART
External interrupt 1
Can generate square wave signals with programmable period.
I
2
C bus interface
A/D converter