Features
!
80C51 Central Processing Unit
!
Operation voltage range: 4.5V ~ 5.5V
!
Optional 12T or 6T mode
!
Max operation frequency up to 48MHz@12T or 24MHz@6T
!
32KB on-chip program memory
!
ISP capability; optional 1KB/2KB/4KB ISP memory shared with
data flash
memory.
!
IAP capability; up to 31K byte programmable
data flash
available shared with ISP memory.
!
On-chip 256 byte scratch-pad RAM and 1024 byte auxiliary RAM; Be capable of addressing up
to 64K bytes external memory
!
MOVC-disabling, encrypting, and locking flash memory realize security mechanism.
!
Three 16-bit timer/counter, Timer2 is an up/down counter with programmable clock output on
P1.0
!
Eight sources, four-level-priority interrupt capability
!
Enhanced UART, provides frame-error detection and hardware address-recognition
!
Dual DPTR for fast-accessing of data memory
!
15 bits Watch-Dog-Timer with 8-bit pre-scalar, one-time enabled
!
Power control: idle mode and power-down mode; Power-down can be woken-up by
P3.2/P3.3/P4.2/P4.3
!
Low EMI: inhibit ALE emission
!
Four 8-bit bi-directional ports; extra four-bit additional P4 are available for PLCC-44 and
PQPF-44
!
Three package types:
- PDIP 40: MPC89E58AE
- PLCC 44: MPC89E58AP
- PQFP 44: MPC89E58AF
2
MPC89E58A Technical Summary
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